Chapter 11, Lesson 7


11-7.A evaluate algebraic expressions
Evaluate: when x = 14 and y = 8

11-7.B find areas of triangles
Find the area: right triangle with hypotenuse = 41 cm and shorter leg = 9 cm

11-7.C solve multiplication equations
Solve: 627.2 = 8 ● 7 ● z