Answer:
14.4h
Step-by-step explanation:
I assumed you meant 8h because 8 isn't a like term.
=6.4h+8
1. c 31.4 r 5 d 10
3. r 1.75 c 10.99 d 3.5
4. r 4 c 25.12 d 8
5. r 100 c 628 d 200
d = 2(r)
c= (2)pi *r
3) 2, 3, 4, 5
4) $10
5) B
10t+3