What is the area of the following circle?

Either enter an exact answer in terms of 7 or use 3.14 for 7 and enter your answer as a decimal.

r=5

What's 1.5kg into ounces

Maria orders T-shirts for her volleyball camp. Adult-sized T-shirts cost $6.25 each and youth-sized T-shirts cost $4.50 each. Maria has $550 to purchase both adult-sized and youth-sized T-shirts.

A town with a population of 20,200 in 1995 decreased to 18,483 in 2005. What was the percent decrease

A right circular cylinder can which is open at the top has base radius of 5m and height of 10m. Find its total surface area.

The expression 12+x+412+x+4 represents the perimeter of a triangle. Simplify the expression.

What is the answer to (8•320) 1/3

What is the lcm of 20 and 30

A sample of difference scores has a mean of MD = 5 with a variance of s2 = 100. If effect size is measured using Cohen's d, what is the value of d?

A rectangle has an area of 90 square inches. If the width measures 4 inches and the length measures (x+2.5) inches, what is the value of x?

If the value of n nickels plus d dimes is c cents, what is n in terms of d and c?