1. maths

Ali shared 1liter of pineapple juice equally with three friends how much did each friend get.

2. science

Observation The trash smells. Explanation Decaying biological material causes the trash to smell. Test (independent variable) Add food scraps to one trash can along with other materials, such as plastic, cardboard, paper, and tin. To a second trash can,

3. science

List your own example of turning an observation into a hypothesis. Be sure to list all five steps: observation, explanation, test (independent variable), prediction (dependent variable), and hypothesis. please help

4. physics

two point charges q1=3.5 mC and q2=2.92 pC are located on (2,3)m and (-3,5)m of a Cartesian plane, respectively. Determine the magnitude and nature of the force experience by the two charges.

5. math

Peter spends 2 hours and 15 minutes doing his maths and another 1 hour and 30 minutes on English. what fraction of the day does he spend doing homework.

6. math

Estimate 420,983 + 39,932

7. Spanish

I found this online to help with infinitives but what I don't understand is in the second example "el saber" is acting as a verb isn't it? because the translation is "knowing" so why did the writer say putting "el" in front of the infinitive makes it clear

8. math

Show that any dilation transforms any figure into a similar figure.

9. algabra

after a birthday party that began with 3 pizzas, there was 1/8 of one of them left, 3/4 of another and 3/8 of the last one. How much pizza was eaten?

10. algebra

you have 3/4 gallons of paint. Each piece of wood you want to paint requires 2/11 gallon of paint. How many pieces of wood can you paint completely?

11. algebra

two thirds of the students at school prefer beats headphones to all others.3/4 of those students prefer the wireless ones. 1/5 of those students prefer the pink ones. what proportion of students prefer the pink, wireless beats headphones?

12. Social Studies

What about the political rivalries between empires in Europe made North American exploration so appealing?

13. algebra

a bank is owed \$123 in interest on each of 24 customers loans. would this be best represented as a possible or negative value for the bank? how much are they owed in total.

14. algebra

The balance is a checking account is \$82.18 the owner of the account withdraws \$100 the bank allows withdrawing more than the balance but charges a \$33 fee. What is the new balance in the account?

15. math

Write down the first 10 multiples of the following 3

16. Math

Five kilometres is about how many miles

17. Math

Jacqui drove at 45 km at a speed of 30 km per hour. How long did the trip take?

18. Maths

The median for a set of 10 numbers is 10. An even number is added, and the median is now 11 and the range is now 4. What number was added?

19. Maths

(Cos/1+cosec) + (sin/ 1+cot ) = sin + cos prove that

20. operation research

Express the total revenue (R) as a !@#\$%^&tion of quantity (q) sold if the unit selling price is (20-0.01q) pesos. Evaluate R when q=150

21. math

if the line through A(k,p) and B(3,2) and the line through C(k-1,p+2) and D(-4,3) meet at(1,-2).find the values of k and p.