A chemist needs a 20% solution of alcohol. How many liters of 15% solution should be added to 4 liters of 40% solution to get a 20% solution?

Karen spent $15.13 on clothes and $8.25 on food during her shopping day. If she gave the clerk $30.00, how much did she get back?

In 4y=x-1 how do I get y by itself

Name the postulate or theorem you can use to prove ABD=CBD

4y + -9 = -36 What is the answer?

The female look at a zoo weighs 190 pounds more than the female cheetah. Let c represent the weight in pounds of the cheetah. Which expression gives the weight in pounds of the lion

Recall your studies of geometry (or another math course) and algebra. Choose one that you think is better. Define what you mean by better, and explain your choice.

What is the product? (4x) (-345 (-23)

Last week, Jane made deposits of $64, $25, and $37 into her checking account. She then wrote checks for $52 and $49. What is the overall change in Jane's account balance? A - $99 C $126 B $25 D $227

Determine the direction that is parábola opens: y=4x^2+8x+2

A small soda costs $0.45 and a large soda costs $0.65 35 sodas were sold for a total of $18.55. How many of each size soda were sold