Answer:
the awnser is 81 because 9x9 is 81
Answer:
x >= 0 & y<0
x >= 0 means that x is non-negative
y<0 means that y is negative
Answer:
6, 3
Step-by-step explanation:
B is 5, you can solve this by first finding the value of a, which is 2, and then plug it into the other equation. 8+2=10 so we must also make the other side 10. We then do 10-5=5, 5 is the value of b