Answer: 5
Step-by-step explanation:
1. is 9
and the other ones i dont really know
Answer:
55
Step-by-step explanation:
5(3)^2+4(2.5)
5(9)+4(2.5)
45+10
55
You just combine like terms so it'll be 5x^43
I believe it is 2.7 hours.because 25.5 miles is equal to about 41 kilometers and 110 kilometers and hour divided by 41 kilometers is 2.68 rounding to 2.7