Evaluate the expression 3.14 (a2 + ab) when a = 4 and b = 2. (Input decimals only, such as 12.71, as the answer.)

A balloon rises 250 feet in first minute and then for each succeeding minute rises 70% as much as it did in the previous minute. How high will it be after 8 minutes

One kilogram is approximately 2.2 pounds. Write a direct variation equation that relates x kilograms to y pounds.

What is the sum of the measures of the interior angles of a regular polygon if leach exterior angle measures 120°?

What is 1/4 plus 5/8

Put the following list of numbers in ascending order. 5.402 5.416 5.4005 5.41

The population of a town is divided into three age categories. A random sample of each category is surveyed about voting choices. This type of sampling is called cluster sampling. stratified sampling. simple random sampling.

Tommy had 3 packs of bubble gum. Each pack has 5 pieces in it. How many peices of bubble gum does Tommy have a total of?

Is 1/2 equivalent to 5/8

0.59+0.33t=3.68t-0.75

The area of a parallelogram with a side of 5.6 in is equal to the area of a rectangle with sides 7 in and 8 in. Find the altitude to the given side in the parallelogram