A chemist has 40 liters of a 20% acid solution. How many liters of this solution must be taken away and replaced with pure acid so the resulting solution is 60% acid?

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

What is the factor form of x^2-9x+14