Answer:
A = 250
B = 10
Step-by-step explanation:
Why A equals 250 is because 10 squared 5 equals 500 and 500 divided by 2 equals 250.
Why B equals 10 is because 10 minus 5 is 5 we do that first cause its in pentises and 10 squared times 2 equals 200 and 200 times 5 equals 1000 so 1000 divide 100 is 10
Hope i helped
