If x= 2 and y=1, what is the value of the expression 3(y-1) + 2r?

HELP ME PLZ-

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Consider the enlargement of the pentagon. what is the value of x, rounded to the nearest tenth? 2.1 centimeters 3.3 centimeters 7.0 centimeters 15.0 centimeters