A chemist needs 18 liters of a 30% acid solution. How much of a 20% solution should be
mixed with a 40% solution to get that (round your answer to the nearest liter)?
4 liters
5 liters
9 liters
7 liters

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85