How many gallons of a 90% antifreeze solution must be mixed with 100 gallons of 30% antifreeze to get a mixture that is 80% antifreeze?

What is the unit form of 10x3tens?

Dianne manufacturers Mexican and American flags. Due to the cost of color, she charges $20 for Mexican flags and $15 for American flags. She sold twenty-eight flags and accumulated $460. How many flags of each type did she sell?

What is the horizontal shift for the graph of f (x) = (x - 3) 3 + 2? A. Left 2 B. Right 2 C. Left 3 D. Right 3

Factor the polynomial: 2x (x - 4) + 7 (x-4)

John Marko buys a car $11,400.00. In three years the car depreciates 48% in value. How much is the car worth in three yoears?

How to slimplify 4/7

What's 8/9 minus 3/8?

Scores on exam are normally distributed with a mean of 45 and standard deviation of 8 1. what is the probability that the score of a student will be higher than 52.6? 2. what proportion of the students score below 43? 3.

Avarie is cutting a 12 foot long piece of wood into 1/4 - foot sections. How many sections will result

14/100 in simplest term