Zach is making a recipe that requires 1 cup of vinegar and 3 cups of water. which of the following combinations shows the same ratio of vinegar to water? a 2 cups of vinegar to 3 cups of water. b 2 cups of vinegar to 6 cups of water. c 3 cups of vinegar to 1 cup of water. d 3 cups of vinegar to 9 cups of water. very urgent!

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Vertical angles must check all that apply

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32