9. Vu needs to buy mulch for the garden with the dimensions shown in the figure. For how mulch area does Vu need to buy mulch?
the circle is 5.5 yd

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

so, converting firstly the mixed fractions to improper fractions and then "adding".

inverse operation of addition

it has to have an angle of 90 degrees