Answer:
The communicative property shows how these problems should both work therefore they can both be answered by different equations
Step-by-step explanation:
He / she didn’t drop down the 2 after subtracting 19 from 242, instead he / she dropped down a 0.
The mean is not the same thing as median
mean=78+81+85+87=331
mean=331/4=82.75
median is the middle number, but you have a par set of numbers, so your median will be the middle numbers 78,81,85,87 , which are 81+85=166, 166/2=83
83 is your median
Answer:
it is a 30 degree angle
Step-by-step explanation:
