C. It is the mean. Add all of the ages up and divide by how many there are.
Answer: All real numbers
Step-by-step explanation: If you plug in any number, it will work. 4(a+3) = 12+4a. a=-3 0=0
It would be the negative form of those bumbers and the non-negative form of those numbers. The absolute value applies to negative numbers the same. For example absolute value of -3 is 3.
If there are 16 ounces in a pound, and 8 ounces costs $8, The best answer would be D. $16 per pound
Answer:
-1.5
Step-by-step explanation: