Answer:
42km/h
Step-by-step explanation:
70km=100 minutes
7km= 10min
42km=60min
42km/h
<span>8(-y+5)+6(2y-7)
= -8y + 40 + 12y - 42 ....expand by using distributive property
= 4y - 2 ...............combine like terms
hope it helps</span>
3/4*8= 24/4= 6 this is 3/4 the distance between point a and b