Answer:
B.
D. 
Step-by-step explanation:
By exterior angle theorem:


1.5 hours is half of 3
so 1.5+1.5=3 and 2.4+2.4=4.8
That person can walk 4.8 miles in 3 hours
Hope I helped :)
Answer:
42
Step-by-step explanation:
I'm pretty sure that this is the answer.
3. 8(3+8)
Explanation : 8x3 = 24 + 8x8 =64 which is congruent to 24 +64