If you use 7 GB of data, you will spend $75.
I would switch my plan because in the end, the new plan would cost less than the original plan by approximately $10.
If you use 10 GB on your old plan, you would spend $90 monthly. but with the new plan you would only be spending $80.
I hope I was able to help.
Answer:
267.95
Step-by-step explanation:
We substitute the given into the equation
given: a=-1, b=2, c=

=(

-1
=

-1
=

-1
=

-1
to continue, we can either find a common denominator or change the fraction to decimal.
Fraction to Decimal:

=-2.5
Equation=-2.5-1=-3.5
OR Common Denominator:
=


×

(denominator should be -2=common)
=

+

=

which also = to -3.5