Answer:
54+61
Step-by-step explanation:
54 + 61 = 115
61 - 54 = 7
Answer:
and
.
Step-by-step explanation:
The equation can be simplified with the help of trigonometric identities:

Which means that equation is equal to zero if any component of the product is zero. The solutions of the expression are:
a) 

b) 



Any value different of both subsets do not satisfy the equation described above.
I believe you cant fix one rather you need a new one. It runs about 300 plus labor
7x(x+1.8)=0
7x+12.6x=0 (Distributed)
19.6x=0 (Added like terms)
x=0 (Divided 0 by 19.6)
I hope that helps
Answer:
5
Step-by-step explanation:
They are different by 5 percantages