I have a 62,75,90 on my history exams what do I need on the fourth one to have a mean of 80

On a large map, the distance for Austin, Texas, to Milwaukee, Wisconsin, is 13.7 inches. The actual distance is about 1,000 miles.

Kevin says it will take him less than 1 hour to play soccer, and practice piano because these tasks will take a total of 8/12 hour. Is he correct?

A farmer planted 0.4 of his field with corn seed, 0.25 with pumkin seed, and 0.1 with tomato seed. A) Find the portion of the field that was planted with corn or pumkin seed.

use an algebraic equation to solve the problem. the sides of a triangle are in the ratio 3:4:5. what is the length of each side if the preimeter of the triangle is 90 cm

A cell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. If t represents the number of text messages Roxy sent last month, which expression represents the cost of her bill last month before any taxes or

The second group of trainee astronauts are all sitting around the table, waiting to start their first day of training. From the clues given below, can work out where everyone sits? Note: Seat 1 is next to Seat 2 and Seat 8, etc.

How many triangles can be constructed with angle measurements 90°,45°,50° ?

What is the answer to 7 y - 1 equals 5 y + 9

Wat is the sign of the product of three integers with the same positive sign

Find the unit price for a 7-ounce box of cookies for $2.15. Find the answer to the nearest tenth of one cent