What are the variables in the expression x+8-y?

Sandy had a math problem where she had to find the difference between 3,330,678 and 445,930. Round each number to the nearest ten thousand. What is the estimated difference between the two numbers? A. 2,880,000 B. 2,884,000 C. 2,885,000 D. 2,890,000

Kim drives x miles a week. Terry drives two times more than Kim and Jerry drives three times more than Terry. Which expression represents the amount of miles Jerry drives? A) 2x + 3 B) 2 (x + 3) C) 2 (x - 3) D) 6 x

3 9/10 show in decimals

Solve the equation 5+7x=11+7x A. 0 B. 14 C. infinitely many solutions D. no solution

Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find the angle their resultant force makes with the force of 14 lb. A. 18 B. 27 C. 63

3 is an element of the rational number (True or False)

What is a true statement A. - 4.37 < - 1.63 B. 5.7 < 5.63 C. - 13.9 > 4.63 D. - 4.28 > - 3.56

Both triangles are similar. The area of the smaller triangle is about 270 ft^2. What is the best approximation for the larger triangle?

The teacher selerated her class of twenty eight students into two groups. one group has four more than twice as many students as the other group how many students are in each group

Carla drops a carton of eggs. out of 12 eggs, 7 eggs are cracked. as a decimal, what fraction of the eggs are not cracked? [round to 2 places.]