A 20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution.

Which of the following expressions is equal to 4 (50)

A. 0.2x + 0.7y

B. 2x + 7y

C. X+Y

Rational or irrational √12 19/5 √49 0.3425563758 √4/25 √1/8 0.6

A gardener is transplanting flowers into a flowerbed. she has been working for a hour and she has transplanted 14 and she has 35 more flowers to transplant. At this rate how many more hours should it take her.

On Saturday, a local hamburger shop sold a combined total of 336 hamburgers and cheeseburgers. The number of cheeseburgers sold was three times the number of hamburgers sold. How many hamburgers were sold on Saturday?

Your closet has 5 shirts for every 2 sweaters. Your closet has 30 shirts. How many sweaters are in your closet? ||Shirts||Sweaters|| || 5 || 2 || || 10 || || || || 10 || || 30 || || Complete the chart

What math problem has the answer = 123456789

Which of these absolute values is the greatest? A. |140| B. |-104| C. |104| D. |-204|

North Star wants to know how many books are in the libraries. We learn that there are 412 books in the 5th-grade library, 421 in the 6th, 357 in the 7th grade and 462 in the 8th grade. Which grade has the second greatest number of books?

Which sequence of transformations can change the size of a polygon? Select all that apply A. Reflection and rotation B. Rotation and dilation C. Dilation and translation D. Translation and reflection

What would be the expression after distributing, 4 (x+7) ?

The shoe store is having a sale. All items are 30% off the regular price, and the store will pay 1/2 of the sales tax. Sales tax is 8%. How much would you pay for pair of shoes, if the regular price is $50.00?