Solve each system of equations by graphing.
y = x + 4
y = -2x – 2

The total number of dental clinics total for the last 12 months was recorded

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _