Which of these relations are functions?

y = 5x = - 2

y = 2x - 5

2y = x - 4

The real number 12 belongs to which set of numbers?

How to round 295,245 to the nearest integer?

What is the answer to 2x3xNxN=56 what are the n's

A circular swimming pool holds 1.22 x 10^6 cubic inches of water. It is being filled at a rate of 1.5 x 10^3 cubic inches per minute. How many hours will it take to fill the swimming pool?

Factorise 5x (squared) + 17x - 12 3x (squared) + 10x + 7

Susan is waitress at the country club restaurant. She receives an automatic tip of 15% which is added to the members check for the meal. If she earns $2.5 an hour, works 20 hours this week and has served meals costing $325, what is her gross pay?

Use the following for long division x^2+3x+1sqrt 3x^4+7x^3+2x^2+13x+5

A number plus 17 is 25

293.08 + 14 + 2.719 =

The factory workers make 751 toys per day if they work 5 days per week how many toys will the workers make in 3 weeks