The score of Tim's first four math test was 82%, 90%, 78%, and 100%. If Tim wants to have a test average of 90%, what must the average of his next two tests be?

During its grand opening week, Stickler's bicycle shop offers a "wheel of discount savings." After customers select the items they wish to purchase, they spin the wheel to determine the discount they will receive. The wheel is divided into 12 slices.

Solve and simplify 3 1/2 + 3 4/5

A penny had a diameter of about 26.5millimeters. what is the area of a penny to the nearest hundredth? use 3.24 for pie

A triangular sail has a perimeter of 57 ft. Side a is 3 ft shorter than twice side b and side c is 4 ft longer than side b. Find the length of each side.

A penny is dropped off the Empire State Building, which is 1250 feet tall. If the penny's pathway can be modeled by the equation h = - 16t^2+1250, how long would it take the penny to strike a 6 foot tall person?

Leonardo will pay $484 to three different credit cards: Expert Card, Passport, and US Speedy. He will pay four times as much to Expert Card as US Speedy since it has a higher balance.

A bridge has a single lane and is 122 feet long. The weight limit for the bridge is 20 tons. Each car that might be on the bridge is 7.4 feet long and weighs 1.2 tons. Each truck is 16 feet long and weighs 2.8 tons.

Explain why the value of the sine ratio for an acute angle of a right triangle must always be a positive value less than 1.

The cost of a long-distance telephone call is given by the function C (m) = 0.05m + 0.9 where m is the length of the call in minutes. What does the slope represent? A.) connection cost B.) cost of having a phone line C.) length of call D.

Which layer of Earth includes Earth's surface?