Which would be considered a reliable source?(1 point)
a blog written by an anonymous author
an article from a scientific journal
an opinion column in your favorite magazine
a biology textbook from 1920
Which statement illustrates bias in scientific research?(1 point)
An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.
A botanist publishes data about plant growth that does not support their original hypothesis and is replicable.
A zoologist publishes incomplete data on sloths which supports their original hypothesis and notes that more research is required.
A microbiologist publishes data funded by the National Institutes of Health that does not support their original hypothesis.
An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.
Which question can be used to evaluate reliability of a source?(1 point)
“Is this data challenged by anyone in the public?”
“Is the research peer-reviewed?"
"Is the author American?"
“Is this research relevant to me?”
"Is the research peer-reviewed?"
Validity refers to(1 point)
consistency.
originality.
reliability.
accuracy.
accuracy.
To corroborate information is to(1 point)
find evidence that disproves a scientific position.
find evidence that opposes a scientific position.
find evidence that supports a scientific position.
find evidence that proves a scientific position.
find evidence that supports a scientific position.
Which colony was established primarily for growing tobacco?
(1 point)
Plymouth
Massachusetts Bay
Virginia
Rhode Island
Virginia
What important legal right guaranteed in the Magna Carta did the English colonists bring with them to the Americas?
(1 point)
the right to trial by jury
freedom of speech
universal suffrage
freedom from taxation
the right to trial by jury
Why did many English come to America as indentured servants?
(1 point)
They were very religious and wanted freedom to worship.
They were often poor and illiterate and needed work.
They were guaranteed a free college education.
They received 50 acres of free land upon arrival.
They were often poor and illiterate and needed work.
What was the initial cause of the Anglo-Powhatan Wars?
(1 point)
John Rolfe's kidnapping of Pocahontas
Rebecca's marriage to John Rolfe
English settlement on the Chesapeake
theft of the Powhatan's resources by the English
English settlement on the Chesapeake
Which expression is equivalent to (–2)(a + 6)?
(1 point)
–2 a + 6
2a + 12
–2 a – 12
–2a + 12
–2a - 12
To which subsets of real numbers does the number –22 belong? Choose all subsets that apply.
(1 point)
whole numbers
rational numbers
integers
irrational numbers
natural numbers
The number -22 belongs to the following subsets of real numbers:
- Integers
- Rational numbers
What is an algebraic expression for the following word phrase: "6 times the difference of b and p?"
(1 point)
6 b – p
6(b – p)
6 – bp
6bp
6(b – p)
What is the simplified form of the expression?
5(14 - 2)^2/2
(1 point)
60
30
72
360
The simplified form of the expression is 60.
Evaluate u + xy, if u = 18, x = 10, and y = 8.
(1 point)
188
36
98
224
If u = 18, x = 10, and y = 8, then u + xy can be calculated as follows:
u + xy = 18 + (10*8) = 18 + 80 = 98
Therefore, the value of u + xy is 98.
Your teacher will grade your response to ensure that you receive proper credit for your answers.
A square field has an area of 479 ft2. What is the approximate length of a side of the field? Give your answer to the nearest foot. Explain your response.
To find the length of a side of the square field, we can take the square root of the area since all sides of a square are equal.
Taking the square root of 479 ft² gives us approximately 21.88. Since we need to round to the nearest foot, the approximate length of a side of the field would be 22 feet.
We round up to 22 rather than down to 21 because it is closer to the actual value of 21.88.
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Simplify the expression (7+5)+4⋅13−2
To simplify the expression (7+5)+4⋅13−2, we follow the order of operations: parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right).
First, we simplify the expression within the parentheses:
(7 + 5) = 12
Now, the expression becomes:
12 + 4⋅13 - 2
Next, we perform the multiplication:
4⋅13 = 52
Now, the expression is:
12 + 52 - 2
Lastly, we perform the addition and subtraction:
12 + 52 = 64
64 - 2 = 62
Therefore, the simplified expression is 62.