The formula h = vt - 512 gives the height (h) of an object, t seconds after being thrown. An object is launched from the ground at a velocity (v) of 40 meters per second.
After how many seconds, I will the object be 75 meters above the ground?
A. t = 1,1 = 3
B. t= 1,1 = 15
C. t = 3,1 = 5
D. 1 = 5,1 = 15

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.