t=45min
d=4km
45min/60min = 0.75 hours
v=d/t
v=4km/0.75hours
v=5.33km/hour. So the answer is B. 45 minutes.
I don't know about the first one but the second one is 34.9°. It would be that because are right angles add up to 90° and if you subract 55.1 and 90 it would equal 34.9. But this rule only works on right angles.
Answer:
9
Step-by-step explanation:
easy question, 3x9=27
That is true because if you use the surface area formula, 2(wl+hl+hw), you'll get 250.
Yesssssssssssssssssssssssssss