The answer is 13
If R=4 the the equation would be 4+9 which equals 13.
Just forget about the first half, and just do the second half. It’s way easier. Answer is -7.75
10%of30=3
3x4=12
A. 40%of 30=12 senior class members.
B. 60% of the class were not senior class members
Answer:

Step-by-step explanation:
We want to simplify:

We convert to improper fraction to get:

We now deal with the parenthesis by multiplying with the reciprocal of 2.

This gives:

We multiply to get:

This simplfies to:

We write as mixed number
