Answer:
15b + 30
Step-by-step explanation:
By expansion (6 x 2.5b) + (6 x 5)
= 15b + 30
Answer:
⇒ 
Step-by-step explanation:
C=πd ⇒ d = C/π = 28.27/3.14 ≈ 9 <span>inches</span>
10.4. You multiply .80 times 12 and get 9.6. Then you add 9.6 to 0.80 and get 10.4