Answer:
b. (x-3) / (x+1)
c. x/(x+5)
Step-by-step explanation:
b. (x+2)(x-3) / (x+1)(x+2)
c. x(x - 5) / (x + 5 ( x - 5)
= x / x+5
342
x=5
72+72+18(5)+9+18 (5)+9=342
19. c 20.b
The formula of a circumference of a circle:
