Martha simplified the expression ———-, putting it into the form ———-. what is the value of a - b? The expression is in the photo.

A. 2
B. 4
C. 5
d. 7

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Pentagon abcde is dilated according to the rule do,3(x,y) to create the image pentagon a'b'c'd'e', which is shown on the graph. what are the coordinates of point a of the pre-image? a) (-1, 1)b) (-1, 2)c) (-9, 6)d) (-9, 18)

Which of the following is an irrational number