Answer:
10x^(2)-4x
Step-by-step explanation:
60+-90x would be equivalent.
Mai's penny bank can hold 498 pennies without being full.
This is the number of combinations of 2 from 23
23C2 = 23! / 2! 21!
A quick way to do this is 23*22 / 2 = 253
Answer:
Pentagon and I think the area is 19.89 so if you round it, that will be 19.9
