3 GBs per month because you have to take 30-21 (the monthly cost of the phone)=9 and each GB is $3 a month so 9 divided by 3= 3
Answer:
Step-by-step explanation:
a) 310cos25 = 281 N
b) (620 - 281) / cos-18 = 356 N
Answer:
-1.2
Step-by-step explanation:

Subtract 3.9 from -9.18 to isolate the variable.

Divide -13.08 by 10.9

Which equals

The equation that models the relationship between the amount of money Sarah has left is 55- 0.65x= y