A circle has an area of 441π cm2. What is the circumference?

Ratio equivalent to 3 : 4

Which question is statistical question A. What are the ages of schools in the school district. B. How old is the middle school building. C. How many classroom s are there it the elementary school building. D.

Scores on a university exam are Normally distributed with a mean of 78 and a standard deviation of 8. The professor teaching the class declares that a score of 62 or higher is required for a grade of at least a D. Using the 68-95-99.

What value of w makes the following equation true? w + 4 1/5 = 13 19/20

An engineer spends 30% of the time at home and 40% at work, 6 mi away. The remaining 30% is spent commuting between home and work in a straight line at a steady velocity.

Solve d = c π for π. A) π = cd B) π = c d C) π = d c D) π = c - d

1/5X-3=4 solve the equation

If a pump can fill a pool within 6 hours, and another pump can empty the pool within 3 hours, how long will it take the pool to empty when it's full and when both pumps are working?

Candy is on sale for $0.75 each. you have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pieces of candy. A. C (n) 0.25n-0.75 B. C (n) = 0.75n-0.25 C. C (n) = 1.0n D. C (n) = 0.75n

The price of a watch was increased by 10% to £132. What was the price before the increase?