How to find equivalent expressions ex: 2-4n and 2 (1-2n)

What is halfway bewteen - 23 and 23

Prove that in any pythagorean triple, one of the side lengths is divisible by 5

545 divided by 7 with a remainder

Is 8.719 greater than 7.819

3/8*24 tell me how u got it

The sum of a number and its opposite is always equal to zero. what situation models this property of addition.

Consider the rectangular prism with length 5 in., width 8 in., and height 9 in. Will tripling one of the dimensions of the rectangular prism triple the surface area of the prism? Justify your response.

The question says~ Find the number that makes the ratio equivalent to 1:4 ... 4:?

E equations. 2. 12 = 71-/5p+91

Miguel is making smoothies out of yogurt and juice to serve his friends, and he needs to make 12 cups. the ratio of yogurt to juice is 2 cups to 1 cup. how much yogurt will he use