13/7 • (-3 2/3)= a. 11 b. 5 5/21 c. -5 5/21 d. 3 2/7

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°