D = rt, Distances Equal
72t = 90(t-1)
90 = 18t
90/18 = t = 5hr
second car catch up to the first in 4hrs
Answer:
i would say b but not sure
Step-by-step explanation:
hope this helps let me know if i got it wrong
Answer: 36
Step-by-step explanation:
area of a triangle: base times height then divide by two
1) Venn Diagram is used to organize data
2) Four circles. Three intersection circles, and one which contains other three circles
3) In the intersection area of three circles.
4) In the circle which contains other three circles, but not inside any of the intersecting circles.