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March 3, 2015

Posted by **Laruen** on Tuesday, January 22, 2013 at 8:03pm.

Please because I really don't understand it.

- Math 8 -HELP! (PLZ!) -
**Ms. Sue**, Tuesday, January 22, 2013 at 8:09pmTry these sites.

http://www.mathwarehouse.com/algebra/linear_equation/slope-intercept-form.php

https://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/equation-of-a-line/v/converting-to-slope-intercept-form

http://www.youtube.com/watch?v=9WuZFSh2lzw

- Math 8 -HELP! (PLZ!) -
**Joshua**, Wednesday, January 23, 2013 at 2:42pm1.

Write the fraction two-fourths as a percent. Round to the nearest hundredth of a percent where necessary. (1 point)

50%

20%

54%

48%

2.

Write the decimal 0.041 as a percent. (1 point)

41%

4.1%

410%

0.41%

3.

In the small country of Varia, a bill becomes law only if thirty-four over fifty of the senators approve it. What percentage is thirty-four over fifty? (1 point)

53%

58%

68%

88%

4.

Write the percent 96.55% as a decimal. (1 point)

9655

965.5

0.9655

9.655

5.

Liam wants to buy a bicycle that costs $290.00. His parents say Liam must raise 40% of the money himself. How much money must Liam raise? (1 point)

$112.00

$40.00

$116.00

$87.00

Solve the proportion using cross products.

6.

twenty-two miles over fifty-five miles equals twelve miles over h hours (1 point)

48

30

45

22

7.

41 is what percent of 205? (1 point)

p over 205 = 41 over 100; 84%

41 over 205 = p over 100; 20%

41 over 205= p over 100; 200%

p over 205 = 41 over 205; 8%

8.

15 is 75% of what number? (1 point)

fifteen over s = seventy-five over one hundred; 20 students

fifteen over s = seventy-five over one hundred; 66 students

s over fifteen = seventy-five over one hundred; 11 students

s over fifteen = seventy-five over one hundred; 113 students

9.

The Census Bureau estimates that in 2030, 25 of the 50 states will have a Spanish-speaking majority. What percent of the states will have a Spanish-speaking majority? (1 point)

13%

14%

66%

50%

10.

What percent of 40 is 24? (1 point)

24 = p • 40; 6%

40 = p • 24; 17%

24 = p • 40; 60%

40 = p • 24; 167%

11.

Janet bought a pair of sandals for $120.00. She needs to pay the 7% sales tax. How much will Janet pay in sales tax? (1 point)

$9.00

$8.40

$10.00

$11.00

12.

Find the amount of sales tax for a lawnmower that costs $265.00 at a 6% tax rate. (1 point)

$18.90

$17.90

$15.90

$14.90

13.

Last year, a poll of 1,000 voters conducted by the staff of Senator Chun found that 522 people approved of the job the senator was doing. This year, a new poll of 1,000 voters shows that 423 people approve of the senator’s performance. Find the percent of change in the number of voters who approve of the senator’s performance, and identify it as an increase or decrease. (1 point)

19%; increase

23.4%; decrease

23.4%; increase

19%; decrease

14.

Of the 80 eighth graders, 32 are going on the class retreat. What percent of the eighth grade is going on the retreat? (1 point)

25%

55%

40%

32%

15.

What is the sale price for a pair of shoes that was originally $52.00 and now is 25% off? (1 point)

$27.00

$39.00

$45.00

$42.00

16.

Calculate the interest earned on a savings account with $800.00 that is invested at 5% annual simple interest for 5 years. (1 point)

$50.00

$100.00

$200.00

$250.00

- Math 8 -HELP! (PLZ!) -
**Anonymous**, Tuesday, February 26, 2013 at 3:01pmF(x)=x3

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