Answer:
15 hrs.
Step-by-step explanation:
204/4 = 51 miles per hrour
765/51 = 15 hrs.
Answer:
The ratio of boys to girls to 5:7
Let the number of boys be 5x
Let the number of girls be 7x
5x = 30
x = 6
Now just plug in 6 for the x in 7x
and number of girls 7 x 6 = 42
Answer:
2m
Step-by-step explanation:
(m+3) (m-1)
We need to FOIL
first m*m = m^2
outer -1*m = -m
inner = 3m
last 3*-1 = -3
Add these together
m^2 -m +3m -3
m^2 +2m -3
Answer:
A. 5.4
Step-by-step explanation:
I think... I haven't done this sort of question in a while
