Answer:
7 and 13
Step-by-step explanation:
x+y=20
x-y=6
2x=26, x=13, 13+7=20, 13-7=6.
B
Step-by-step explanation
: )
4^4
Since there are four 4's, it is to the 4th power.
2f+9
Everything you need is in the picture attached.