You need 2 yards of fabric to cover 3 pillows and 6 yards to cover 9 pillows. How much fabric do you need to cover 15 pillows?

A sandbox at a playground is 3 yards long by 2 yards wide. What is the area of the sandbox?

If x = 3 what is the value of x squared x

260+167 triple digit addition with a partial sum method

The sum of two integers with different signs is 8 give two possible integers that fit this description

N (U) = 90, n (A) = 35, n (B) = 45 Then n (A' u B) = ?

What is y=1x-3 in standard form

Stephen buys x pencils and y notebooks for his students. Each pencil costs $0.45 and each notebook costs $1.25. he buys a total of 210 pencils and notebooks for $142.50. How many pencils does Stephen buy? Enter you answer below.

Solve two different equations 4x-8=40

Oprah looks at this histogram of a distribution with a mean of 6.7 grams and a standard deviation of 1 gram. She claims that approximately 68% of the data is between 5.7 and 7.7 grams. What is the error in her thinking?

Three coins are tossed. find the probability that two lands on heads