In the function y=3(x+1)^2+7 , what effect does the number 7 have on the graph, as compared to the graph of the function y=x^2 ?

a. it shifts the graph up 7 units.

b. it shifts the graph down 7 units.

c. it shifts the graph 7 units to the left.

d. it shifts the graph 7 units to the right.

***idk im kinda explain? ? : )

What is the area of the trapezoid shown ?

Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.