Evaluate the expression when c=4.
c²+5​

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}

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