Suppose that a chemist is mixing two acid solutions, one of 20 % concentration and the other of 30 % concentration. Which of the following concentrations could not be obtained?

1. 22 %,

2. 24 %,

3. 28 %,

4. 34 %

What is the rule for a translation of 9 units to the left and 10 units up?

Which of the following is associated with a parameter? Choose the correct answer below. A. A numerical measurement describing some characteristic of a sample. B. Data that were obtained from an entire population. C.

When Jack went to the movie he paid $8 for his popcorn and $4 for each additional order of popcorn. If y represents the total cost and x represents the number of popcorn orders, what is the function rule that describes this pattern? A.

You were overcharged $4.52 on your cell phone bill 3 months in a row. The cell phone company says that it will add - $4.52 to your next bill for each month you were overcharged. On the next bill, you see an adjustment of - $13.28.

Y = - 1/2x + 4 x + 2y = - 8 How many solutions does this linear system have?

Coffee with sugar and milk added to it can contain up to how many calories

If the population of Town B is 50% greater than the population of Town A and the populations of Town C is 20% greater than the population of Town A, then what percent greater is the population of Town B tan the population of Town C

What is a reasonable estimate of a school desk

8/33 in decimal form

Barry needed 16 cubic feet of mulch to put under the playground equipment. Each bag of mulch covered 2.1 cubic feet. Barry planned on buying 16 bags of mulch. Is this a reasonable plan? A.