A locker combination has two nonzero digits, and digits can be used twice. The first number is 8. What is the probability that the second number is 8?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Will give a: 122 b: 90 c: 48 d: 180