Which expression is equivalent to (-2+4i) + (1-7i) - (-8+5i)

-7i

-i

7-8i

-9+2i

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. After how many seconds will the ball hit the ground before rebounding?

What is round to the nearst thounsand 3,489

There are 100 employees in your company. Fifty of them do not have company health insurance. What percent of the employees do not have health insurance?

A car is driving a cross-country traveled 180 miles in 4 hours. at this rate of speed, how many miles farther will the car travel in the next three hours?

If a stereo is sold for 59.99 and karen pay 64.19 for it when she checks out what is the sale tax in the area?

Seneca combines 1.33 cups of apple juice with 0.65 cup of grape juice toe to make a fruit punch. how much fruit punch will this make?

Evaluate the following absolute value expression |-100|-98

7. Which is the best buy? 6 shirts for $25.50 4 shirts for $18.00 5 shirts for $21

On Saturday afternoon, 41 out of 50 telephone calls taken at the overlook restaurant were for dinner reservations. what percent of the telephone calls were for dinner reservations.

2x - y = 2 2x + 3y = 22