Are expressions in perentices i have forgoten

Expressions and equations inside of parenthesis mean that you solve that first. 

ex. 2 x ( 6 + 24 ) - 12
The steps would be to use the order of operations meaning PEMDAS.
P-parenthesis E-exponents, M-multiply, D- division, A-addition, S-subtraction.
start with the parenthesis and do 6 + 24 first. Then do the rest. 
Really hope this helped!! :)

You would need a laid out graph for this but could you provide a picture of just a graph? i can give stepssolve for y.subtract 4xdivide by -1 (opposites)graph slope intercept formcheck each point to see if it’s on the graph