TWO PARTS :) Max bought two items that were both on sale. One item was 10% off and one item was 20% off. Max says that he saved 15% altogether. Is he correct?

Question 1 options:

Yes

No

Explain to Max how you can determine the answer.

Is Max correct? Why or why not? How did you reach your conclusion?

Your response should include mathematical evidence that supports your conclusion, like an example with numbers.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Which of the following parabolas opens up?