Answer:
7
Step-by-step explanation:
the opposite of -7 would be +7 due to adding being the opposite of negative. this would go both ways
to be a parallelogram its front sides must be equal to each other
so, we equalize the length of two sides that are face to face

and solve for w

the value of w must be 10
Answer:
130
Step-by-step explanation:
2x+5x+5=180
7x+5=180
7x=175
x=25
5(25)+5=125+5=130
Answer:
None of the above
Step-by-step explanation: