Evaluate each function.
k(n) = n2 – 4; Find k(–7)

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?