21 - 13.50= 7.50
so based on what your question is asking, Serena makes $7.50 more than Gabe per hour.
Answer:
the domain is -11,10 but i didnt know if you wanted that or not
Step-by-step explanation:
To express
5
−
2
as a positive exponent we will use this rule of exponents:
x
a
=
1
x
−
a
5
−
2
=
1
5
−
−
2
=
1
5
2
So it would equal to 8/10 and divide by 2 which you would get 4/5
