Help me plz
Evaluate the expression, using the given value of the variable.
z ÷ 2 – 4z + 3(z – 3) when z = 8
A.-7
B.-1
C.-13
D.-17

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0

In 2014, the three largest economies in the world were (listed in order, from largest): a) the u.s., china, germany. b) the u.s., china, japan. c) china, the u.s., japan. d) china, the u.s., germany.