If 18 is 45% of a value, what is that value

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.