3(3b+2)=-30 perform indicated multiplication on left side...
9b+6=-30 subtract 6 from both sides
9b=-36 divide both sides by 9
b=-4
Check the picture below.
so, a cone, that fits inside the cylinder, will have the same height "h" and radius "r". Thus
Answer:
C.because i calculate it d is the correct answer
Step-by-step explanation: