Explain how you could use 25% of a number to find the number

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Which of the following is the correct ratio for converting kilograms to grams

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?