Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 36. How old is each sister?

True or False cos^2x = (1-cos2x) / 2

If you was to put a $40 a month in to a savings fora year how much money would you have saved

three children each had the same amount of money in their savings account. One of the children withdrew three quarters of her moneyand spent it all on a $100 sports jersey. What was the total amount of money originally in the accounts?

Subtract. Express your answer in lowest terms 10 2/5 - 3 4/5

What is two consecutive inters for 57

Three consecutive integers have a sum of 168. What is the value of the largest integer

How many 1/7 yards of cloth can be cut from 9 yards

Rewrite 7x^5/2 in simplest radical form

You estimate that there are 66 cars in a parking lot. the actual number of cars is 75. find the percent error

Find the result when 13v + 2 is subtracted from 11+5v