Which equation would best solve the following problem?
rennie kicks a field goal with an initial vertical velocity of 31 meters per second. how long will it take the football to hit the ground?
a. –4.9t^2 + 31t = 0
b. –4.9t^2 – 31t = 0
c. 16t^2 + 31t = 0
d. –16t^2+ 31t = 0

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.

The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 13-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50

How do you find the distance of each number from the mean