Answer:
Property : a^-b = 1/a^b
Using this property, we can rewrite the expression using positive exponents :

Answer:
2r + 6
Step-by-step explanation:
have a good day :)
Answer: 30.6
Step-by-step explanation: she worked 30.6 hours be cause if you think 36 of 15% it is 30.6 hours she worked
Answer:
50 degrees.
Step-by-step explanation:
Angle FGE =
because angles on a straight line add up to 180 degrees.
Angle EFG =
(Angles in a triangle add up to 180)



Add 20 to both sides:


Subtract 6x from both sides:


Angle 
2a+3=s
I used the first letter of the name, or you can use x and y in place of a and s