What must be the length of ZY in order for ZY to be tangent
to circle X at point Y?

14 units
15 units
16 units
17 units

Given the following similar triangles what is the area of triangle b ? a) 1 b)1.8 c)3.2 d)5

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

How are algebraic expressions evaluated using substitution?