PLEASE I beg of you I need help with this question, PlEASE. will give 35 points Which expression is equivalent to (x+3)(x-2)/(x+2)(x+3) for x ≠ -3,-2

A)x-2/x+3
B)x+2/x-2
C)x+3/x+2
D)x-2/x+2

Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g