The quadratic function P(t) = -40t^2 + 320t models the number of people in a shopping mall during the day. Where t is the time in hours.
How long is the mall opened for (in hours) during the day?

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.

52 \43 i don't know this i tried

below

step-by-step explanation:

1. 5/1

2. 10/16

3. 90/2

4. 1/20

5. 3/1

6. 14/24

7. 1/4

8. 18/10