If a plane can travel 450450 miles per hour with the wind and 410410 miles per hour against the wind, find the speed of the wind and the speed of the plane in still air.

Solve for y. - 2x+2y=-56

Review the expression below - 2 (a+b-5) + 3 (-5a+2b) + b (6a+b-8)

The range of f (x) = 6•3^x is all positive real numbers. true or false

Rahul needs 3 litres of water in a jug. I have measuring cups of 1/2 and 1/4 litres only, how many cups of 1/2 litres or 1/4 litres will Rahul need to fill his jug of water?

The students in a class of 24 share 48 apple slices and 36 orange slices equally among them. How many pieces of fruit did each student get?

What is the answer to 3n + 3 = 27

The mean of 3 consecutive terms in an arithmetic sequence is 10, and the mean of their squares is 394. What is the largest of the 3 terms?

A race at travels at a rate of 205 mph how far would it travel in 3 hours?

What is 8/20 of an hour

An actor invests some money at 9 % simple interest, and $24,000 more than three times the amount at 10 % simple interest. The total annual interest earned from the investment is $38,670. How much did he invest at each amount? Use the six-step method.