Arock is thrown upward from the edge of a bridge and onto a road that is 27 feet above the bridge. the function h(x)=-x2-6x+27 gives the height , h, in feet, the rock travels in x seconds from the time it was thrown. when will the rock hit the road?

Rearrange the formula c^2 = a^2 + b^2 for b

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of california was approximately two times the population of florida. b. the population of florida was approximately twenty times the population of california. c. the population of florida was approximately two times the population of california. d. the population of california was approximately twenty times the population of florida.