Answer:
Step 4
Step-by-step explanation:
Answer:
it would be 4.25
Step-by-step explanation:
Answer:
The solutions to the system of the equations by the elimination method will be:

Step-by-step explanation:
Given the system of the equations



solving the system of the equations by the elimination method













Rearranging the equations

solve
for z:


solve
for y:





solve
for x:




Therefore, the solutions to the system of the equations by the elimination method will be:

Answer:
2(x - 12) = 16
Step-by-step explanation:
They each had $20 to spend.
Answer:
Step-by-step explanation:
x^2 + 2x = 6x+45
x^2 -4x -45 =0
x^2 - 5x +9x -45 =0
x(x-5) +9 (x-5)=0
(x-5)(x+9)=0
x = 5, -9
x = 5; measure of exterior angle = 5^2+2(5) = 35
x=-9; measure of exterior angle = (-9)^2 + 2(-9) = 63