A chemist mixes 4 liters of one acid solution with 10 liters of a 40% solution, resulting in a 30% acid solution. The table shows the amount of each solution used.

What is the value of x, the acid concentration of the first solution?

0.05

0.10

0.15

0.20

A graph shows the horizontal axis numbered 2 to 8 and the vertical axis numbered 10 to 50. A line increases from 0 to 4 then decreases from 4 to 9. Which type of function best models the data shown on

2x2 - 2z4 + y2 - x2 + z4 if x = - 4, y = 3, and z = 2. I keep getting 23

36 plants in 6 rows = plants per row

Joe has a collection of 35 DVD movies. He recieved 8 of them as gifts. Joe bought the rest of hid movies over 3 years. If he bought the same number of movies each year, how many movies did he buy last year?

Going down a water slide is a real-life example of a translation. True False

3. Find the smallest number of sweets that I can be put into bags which all cantain either 9, 15, 20 or 24 Sweets with none left over.

Larry is using an online calculator to calculate the outputs f (n) for different inputs n. The ordered pairs below show Larry's inputs and the corresponding outputs displayed by the calculator: (1, 5), (2, 9), (3, 13), (4, 17) Which of the following

Complete the statement to explain why 8,000 : 800 = 10.

What is 282% as a fraction in simplest form

1/4 Times what number equals 9