How much pure acid should be mixed with 5 gallons of a 60% acid solution in order to get an 80% acid solution

How do I rotate a parabola from opening up to opening horizontally?

Count back by ones from 21

How many square feet of cedar are needed to line the four walls of a closet that is a square prism 5 1/2 ft on each edge

Leah writes the equation 3.4:n=0.34 what value of n makes the equation true? writes your answer using an exponent.

Kyle and Linda are married with two children at home and a mortgage. Kyle's net pay per year is $32,000 and Linda's is $48,000. Their monthly expenses are $3,500.

5/8 of a number is 40. What is the number?

What is the absolute value of 67? What is the absolute value of - 34? What is the absolute value of 16? and What is the absolute value of - 75

candace tells you that she bought new boots using a 20% coupon and saved $28. What was the original price of the boots? use a tape diagram.

Write (x+6) (x-2) in standard form

Aaron wants to buy 2 concert tickets that cost $25.50 each. Aaron's grandfather pays him $4.25 an hour to rake leaves. How many hours does Aaron have to rake leaves to earn the total cost of the tickets?