A water pipe took 40 minutes to fill 5 swimming pools, how long would it take to fill 3 such swimming pools?

Which best explains why this triangle is or is not a right triangle?

What is the first step of an indirect proof of a number that is divisible by two

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?