Answer:
If Mary earns 7$ an hour, we need to multiplicate 7$ by the number of hours worked for the entire week so we can get the salary per week.
Step-by-step explanation:
it's correct
The least amount of dozens they can buy is 9. the cost will be $13.41
I believe its c if that is 31.5
<span>Cos (90°- x)=-0.7
as</span><span>Cos (90°- x)=sinx
so sinx =-0.7</span>