Jerry is experimenting with chemicals in the laboratory. he mixes a solution that is 10% acid with a solution that is 30% acid. how much of the 30% acid solution will be needed to make 40 liters of solution that is 25% acid?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)