Simplify fully square root of 8 x square root of 18

What is the exact volume of a circle with a radius of 1?

David installed a device on his car that guaranteed to increase his gas mileage by 15%. He currently gets 22 miles per gallon. How much will the gas mileage increase after installing the device?

Two numbers are in the ratio 7:8. Find the numbers if their sum is 45.

A rectangle has a width of 28 centimeters and a length of 45 centimeters. What is the length, in centimeters, of its diagonal?

3.2 divided by 8 what do I get?

3 (1.4*10^6) multiply or divide. write tje answer in scientific notation

The period of F (x) = 2 cos x is

A city block has 3 stores and a 20 foot mural on one side of the street. On the other side of the street there are 5 stores. If all the storefronts are equal length, what's the length of the city block?

Во время прогулки папа сделал 16 снимков.

Suppose someone tells you that she has a triangle with sides having lengths 2.6, 8.1, and 8.6. Is this a right triangle? Why or why not? Is there an angle in the triangle larger than 90 degree?