Four 7th and 8th grade classes at a school are going on a field trip. There are 20 students in each class, but 90% of them got permission to go on the trip. If the school requires 1 chaperone for every 8 students, how many chaperones are needed?

The sum of 3 times a and 4 is the same as five

Find missing number sequence 1,2,5,10,13,__,__,58,61

The cost of purchasing a lawn mower and trimmer if mower cost $2 more than twice the cost of the trimmer

When Lawrence filled his pool, the water line was 4 in. from the edge of the pool. For the next 5 days, Lawrence noticed that the distance between the water line and the edge of the pool increased by 0.5 in./day.

on the first day, Geraldine earned $3008 for selling some pairs of shoes. On the second day she earned $512 less than the first day, On the third say she earned $2624. What was the minimum number pairs of shoes Geraldine sold in these three days.

Find the mean of 8,3,7, 7, 10 graphically. What is the sum of the numbers?

A ball is thrown vertically upward from the top of a building 64 feet tall with an initial velocity of 48 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s equals 64 plus 48 t minus 16 t squared.

6x-2y=14 Solve the given equation for y

Is y=3x+2y a function

44 is 11% of what number A) 0.11 = 44 • x; 272 B) 44 = 0.11 • x; 400 C) 44 = 0.11 • x; 416 D) x = 44 • 0.11; 4.8