Asmall leak is causing a swimming pool to lose 1/2 gallon of water per hour. what is the change in the amount of water in 4 hours?

Abcd is a square. what is the measure of angle bac

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|