Which of the following expressions represents a function?

y = x2

{ (9, 2), (4, - 2), (5, 3), (9, - 4) }

x = - 3

x2 = 25 - y2

If the train went 390 miles in 3 hours what was the distance

A cone can be used To make

X squared plus 5x plus 6 in a factor of binomials

I have a bag of trail mix. one half of the bag is peanuts. 1/4 of the bag is chocolate candies, and 1/4 of the bag is died fruit. what is the probability that I will select a peanut? 1/2, 1/4, 1/3

Solve for y in the terms of x. 2/2y-4=x

Find the value of x when angle a is 90°, angle b is 40°, and angle c is x+57.

What is the surface area of this cylinder? A) 6.4 m2. B) 25.1 m2. C) 37.7 m2. D) 62.8 m2.

Anisa is cooling water in her fridge. The waters temperature starts at 85 degrees and she cools it 3.5 degrees every minute. Create a number sentence to model this scenario.

Tristan has 45 apples and 20 pears that he is putting into gift baskets. Each basket will have the same number of apples and pears. What is the greatest number of baskets Tristan can make with no fruit left over? Explain.

85+3x-5=180 what does x equal