Answer:
6 miles per hour
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
not 9
This is C. cos Z = sin (90 - Y)
Answer:
Step-by-step explanation:
Answer: D. 7^11
Reason:
The rule we use is 
When multiplying exponentials of the same base, we add the exponents.
The exponents 5 and 6 add to 5+6 = 11
So,

The base stays the same the entire time.