If i had a question like: If y = 2x-3 find the value of y when x = 2

Do i treat X the value of X like 22 or 4. Do i multiply, add, or just insert it.

(It's been a long time since I've done these problems.)

Lexi has 2 cans of tennis balls. she buys 2 more cans. how many tennis balls does did sashas buy

There is 3/4 cake left for 4 people how much cake will each person will get

X - 9y = - 45 Find the x and y intercepts

Right triangle DEF is shown. Which is equal to sin∠E? A) cos∠D B) cos∠F C) sin∠D D) sin∠F

Brian decided to make the same recipe

A manufacturing machine has a 7% defect rate. if 5 items are chosen at random, what is the probability that at least one will have a defect? mhf

F (x) = 2x - 2 Find f (3)

Albertson's found that the demand for Coke products varies inversely as the price of the product. When the price of a Coke product is $2.75, the weekly demand is 1250. Find the weekly demand if the price is raised to $4.00.

What is 4 pints into quarts

5/8 of a number is 40. What is the number?