(1,2), (-2,3), (1,3), (-2,2)} is what type of relation?
a. one-to-many
b. many-to-many
c. one-to-one
d. many-to-one

v v cj van config k tbs eng r.c r.c fcb fb gb frfr

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10