The number of customers in a grocery store is modeled by the function y = -x² + 10x + 50, where y is the number of customers in the store and x is the number of hours after 7:00 a. m. a. At what time is the maximum number of customers in the store?
b. How many customers are in the store at the time in part (a)?

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation:

inch

step-by-step explanation:

yard and mile are too big.

pls refer ro the top for answer

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)