Find the solution to the system of equations.
x - 2y - z= -2
x+2y+
z= 0
y+ 3z = 3
a. x=-1, y = 0, z = 3
b. x= -1, y=-1, z = 0
c. x=-1, y=1, z= 1
d. x=-1, y= 0, z = 1

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect

Mia spent 30 minutes answering the math questions on the exam. this was 1/4 of the total amount of time allotted for this section of the exam. to determine the total amount of time allotted for this section of the exam, mia set up and solved the equation as shown below. which best describes the error that mia made when solving the equation?