Hi please help 1. what is the rate of change from year 2 to year 7?

2. during which interval is the rate of change the greatest?
A. year 0 to year 2
B. year 2 to year 7
C. year 7 to year 9
D. year 9 to year 13

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1