Answer:
-12°
Step-by-step explanation:
it is negative because it it below zero.
Mark brainliest pls :)
a.
38<14+0.05x
24<0.05x
x>480
b. When the number of calls per month is greater than 480, then Plan 1 is more economical. Example: If the number of calls is greater than 480 say 500, then charges in plan 2 will be $39, but Plan 1 is more economical and charges will be $38.
Hope these help but i wrote all of it out with all its geometrical reasons
I think choice a would be the correct answer. 90.
