Joe borrowed $4,000 from the bank at a rate of 7% simple interest per year. How much interest did he pay in 4 years?

  1,120 dollars interest will be paid by Joe in 4 years

Step-by-step explanation:

   4,000 times 7 ( 0.07 ) is 280, and 280 times 4 is 1,120

maybe - definition of supplementary angles. im not sure. sorry

step-by-step explanation:

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