25 students average 84 on a test. another group of 20 students averages 66. find the overall average.

60 miles per hour into meter per second

What is (x+3i) (x-3i) (x+1) (x-1) multiplied out?

what is 1/10 divided by 9/10?

What is the value of 3 - 6 (Z - 2) ^3 if Z equals - 2 what is the value

Kevin went fishing and caught 3 fish. The first fish weighs 1.75 pounds. The second fish sighs 2.4 pounds, and the third fish weighs 0.95 pounds. How mny pounds of fish did kevin catch?

Which of the following describes the relationship between the area of a rectangle and its width, as width varies and length stays the same? A. As width decreases, area stays constant. B. As width decreases, area increases. C.

Write as an inproper fraction 5 3/4

A car travels at a speed of 85 miles per hour. How far will it travel in 15 mins?

2. A rectangular plot of land is 0.4 kilometer long and 0.07 kilometer wide. What is its area in square kilometers? Show your reasoning

In a right triangle, the measure of one acute is double the measure of the other acute angle. If the length of the short leg of the triangle is 3cm, find the length of the hypotenuse.