Answer:
3w + 52 ≥ 90
Step-by-step explanation:
If she volunteers 3 hours per week for w weeks, then the number of hours from tutoring is 3w. Add the 52 hours from her summer volunteering, and her total hours is 3w + 52. This needs to be at least 90 hours for her to graduate, so:
3w + 52 ≥ 90
There are 12 months in most years.
.. 23%/12 ≈ 1.91667%
_____
The answer shown in your picture is correct to 2 decimal places.
Simple.....
you have:
-3ab--->> a=-2 b=-5
Or-->>
-3(-2)(-5)
Simplify....
-3(10)
-30
Thus, your answer.

The average of 45 and 19 is
32.