Davids math grades are 85 49 67 and 83 on 4 tests. what grade must he earn on the next test to have a mean of 75

What expression is equivalent to 8x - 12y+32?

At a recent computer convention, Pomie Lau demonstrated new software to potential customers. She was paid $15 each for the first 10 demonstrations in one day and $17.50 for each demonstration over 10.

Gina is planting a garden in her backyard. The length of the garden is 3 times its width. The garden is also enclosed by a perimeter of 32 meters (32m) of fencing. How wide is Gina's garden, in meters?

What are the multiples of 1/3 and 2/5?

the margins of a page are usually expressed in decimal parts of an inch. Using the given figure, how long is each typed line on the page?

What expression is equal to the expressions 4x-2 (3x-9)

Brady rode his bike 70 miles in 4 hours. He rode at an average of 17 mph for t hours and at an average rate of speed of 22 mph for rest of the time.

A pitcher is full of lemonade. Which unit of liquid volume best describes the amount of lemonade in the pitcher? Explain.

1. Divide $13 by 42. O A. 12/13 B. 142 c. 13/12 D. %16

Given the system has no solution, find the value of a/b. Show your work. 3/4x - 1/2y = 12 ax - by = 9 A. 1/2 B. 3/4 C. 3/2 D. - 1/2