If AC = 6, DC = 4, FC = 15, D = 65°, and CBE = 115°, what is the length of CB ? (1) 10
(3) 17
(2) 12
(4) 22.5

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

How do you determine whether a relationship represented as as graph is linear or nonlinear