R=15
explain:
add the numbers in parentheses to get
45/3 = r
divide the numbers to get
15 = r
The correct answer is m= -3.
12/20=.6
Thus, move the decimal point two places to the right, and the answer is 60%
Answer:
99.9
Step-by-step explanation:
For this case we have the following expression:

For simplicity we follow the steps:
We apply distributive property to the terms within the parenthesis, bearing in mind that:

We add similar terms taking into account that equal signs are added and the same sign is placed, while different signs are subtracted and the sign of the major is placed.

ANswer:
