Which expression is equivalent to this expression? 4a + (-6b) – 3a + 2b A. a + 4b
В. a – 4b
C. 7a - 8b
D. 7a - 4b

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c