What is a number that when you subtract it by 8 and then multiply by 7 will equal to 28?

n = 12

Step-by-step explanation:

(n-8)x 7 = 28

n-8 = 4

n = 12

12

Step-by-step explanation:

(x - 8) * 7 = 28

Divide both sides by 7

x - 8 = 4

Add 8 to both sides

x = 12

correct answer:

b.(19,-2)

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²