Answer:

Step-by-step explanation:
Using the rule of exponents
=
, then
=
= 
I believe it would be 68 miles per hour! To find the unit rate here you would divide miles by hours, or 340 by 5, which would give you 68.
9 to the 3 half power is 27. Hope that's what your wanting to know.
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Answer:
Correct Answer - It shows the unit rate of the graph in miles per hour.
Step-by-step explanation:
hope this helps
Answer:
21x + 35y
Step-by-step explanation:
Distribute the 7 to everything in the parentheses.
7*3=21
7*5=35