Phil receives a $2,000 tax refund and puts it all in a simple interest investment account paying a fixed return each year. After two years, the investment account is up to $2,500. What is the yearly simple interest rate? A - 25%
B - 37.5%
C - 50%
D - 12.5%

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.