What is 3 times the sum of a and b? this needs to be written as an algebraic expression!

Can you me find the slope! (30 points)

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.

Graph the equation 8x - 4y = 56. then, trace the graph to find the missing value in the coordinate pairs below: (-10, 140 ) (0, ) (2, ) (4, ) ( , 0)