Use a calculator to approximate an angle measure for cos-1 0.7439

The volume of the cylinder is 3148 yd cube. What is it's radius?

The bus travels 23 miles in 30 minutes what is the speed of the bus

A recipe calls for 7 1/2 cups of flour. If the recipe is for 3 dozen cookies. How much floud is needed for 11 dozen.

Is anybody good with algebra 2 or trig?

What is 32% in fraction form

Simplify the expression. (2x5) 4 2x20 16x20 16x9 2x625

43/14 as a decimal rounded to nearest tenth

Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10.

There are 7 people at a party. Each person must shake hands with all the other people at the party once. How many handshakes does it take to do this?

Nakida worked 55 days and sold 10 phone plans. Aiesha worked 40 days and sold 8 phone plans. On average, how many phone plans did Nakida sell in one day? On average, how many phone plans did Aiesha sell in one day?