Answer:±2 and±9
Step-by-step explanation:
±√(4) = ±2
±√(81) = ±9
There are 7 more tan puppies. ( Just subtract 15 and 8 )
Without accurate calculations i would say 50
Answer:
D
Step-by-step explanation:
Nuisance
The mean is the average of the numbers: a calculated "central" value of a set of numbers.
Therefore: If the amount spent on books per month by all her classmates is leveled that amount would be $30
To calculate it: add up all the numbers, then divide by how many numbers there are