Definiton of a function

If a population consists of 10,000,000 people and a census is taken, how many people are sampled

One week Alaina ran 12 miles in 131.25 minutes. The next, Alaina ran 12 miles in 119.5 minutes. If she ran in a constant pace during each run, about how much faster did she run each mile in he second week than in the first week?

Heather left the park traveling 12 mph. then, 4 hours later, raquel left traveling the same direction at 24 mph. how long until raquel catches up with heather?

Which of these is our number system based on? A. 2s B. 10s C. 20s D. 100s

1. Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into a hat.

What is the answer for 2x - (x+10) = 45

The volume of one of the Great Lakes is 3.5 * 10^3 cubic kilometers. If there are 6.3 * 10^7 fish in the lake, what is the average number of fish per cubic kilometer?

An old billionaire is writing his will, and deciding how to distribute his nine estates among his three children. He wants to give each child at least one estate, and he does not want to give any two of his children the same number of estates.

You drive an average of 300 miles per week in a vehicle that gets only 14 miles per gallon overall. with the cost of gasoline at $3.

F (x) = 9 sin (x) + cot (x), - π ≤ x ≤ π find the interval of increase.