Which expression is equivalent to 1
?
64
0 41 x 4-10
O 4-1 x 410
O 4
x 47
O 44 x 4-7

If 20% of a number is 35, what is 50% of that number?

Describe the domain and range of y=2(3)^x-2+5

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