150 miles
50 mph for three hours
So multiply 50 and 3
150
Answer:
C. 27x-67
Step-by-step explanation:
To simplify, combine like terms meaning variable terms with variable terms and constants with constants.
81x-54x = 27x
-46-21=-46+-21=-67
The expression is 27x-67
For this one I'm going to go with D 10^16.