Solve the system by substitution. 2x – y + z = -4 Z = - 2x + 3y - 2 = -10 A. (-8, 7,5)
B. (-8, -7,5)
C. (8,- 7,5)
D. (-8, -7, -5)

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.