Seven less than nine times s equals twenty

If a rope that is 29.7 inches long is cut into equal pieces that are 2.25 inches long, how many pieces of rope can be created

Ommy Teacher wants to analyze the weights of the students at his school. He knows the weight of the students is normally distributed so he can use the standard normal distribution.

There are 5 times more boys than girls total number of students is 2814

What is decimal representation of 27/100

Which of the following decimal numbers equals 4 thousands, 9 hundreds, 2 tens, and 6 ones?

Solve 7 + 2x ≥ - 5 - x

How many solutions does the equation 2+6 (x-4) = 3x-18+3x have?

A coin is tossed 2 times. find the probability that all 2 tosses are tails

The volume of a sphere is 36π in³. what is the radius of the sphere?

Find the sum of the first 20 terms of the arithmetic sequence 4, 10, 16, 22 ...