A circle has a diameter of 20 inches, find the exact area, and find an approximate area using pie _=3.14

What is the answer to 9.1 divided by 3,576 and rounded to the nearest whole number

How many hrs in 3 days

1/2x+1/3y=0 1/4x-1/2y=8 What is the solution of the system shown? (-8,12) (8.-12) (8.12)

Megan has3/4 of a cup of powdered sugar. She sprinkles 9/10 of the cup of sugar on to a plate of brownies and sprinkles the rest on some lemon cookies. How much sugar does Megan sprinkle on the plate of brownies?

Iola has $75. She buys a pair of shoes on sale for one-half off and a pair of socks for $6. She has $32 left. Which equation can be used to find x, the regular price of the shoes?

recently 5/8 of the items sold at Debbies Sporting Good were baseball caps. at Sasha Sports 7/10 of the items sold were baseball caps which store sold a greater fraction of baseball caps?

You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure the angle of elevation to be 40°. How high is the tower to the nearest foot

A helicopter leaves central airport and flies north at 180 mi/hr. Twenty minutes later a plane leaves the airport and follows the helicopter at 330mi/hr. How long does it take the plane to overtake the helicopter

A rectangular piece of paper with length 29 cm and width 12cm has two semicircles cut out of it. Find the area of the paper that remains.

Kent earns $49,000 a year and has to pay $45 in taxes for every $1,000. How much taxes does he pay in one year? A. $2,049 B. $2,000 C. $2 205 D. $1,000