Answer:
C
Step-by-step explanation:
If you add the first equation up you get 2z+6 by combining like terms
if you see A a is equal to 3z+6 so a doesn’t work
If you look at B b is equal to z+12 so b doesn’t work
finally C if you distibute it out you get 2(z)+2(3) which equal 2z+6 which works
C
Answer:
x = 15
Step-by-step explanation:
Use pythagorean theorem: 
Answer:
48x − 12y−3
Step-by-step explanation:
Distribute:
(6)(8x) + (6)(−2y) + −3
48x + −12y + −3
48x − 12y−3
Answer:
y = 62°
Step-by-step explanation:
z represents the mid segment of the triangle.
Since, midsegment is parallel to the third side of the triangle.
Answer:
True, I think.
Step-by-step explanation:
