Answer:
a+4=
Step-by-step explanation:
Distance÷time
440÷8= 55
Therefore he needs to drive at the speed of 55 miles/hour
Answer:

Step-by-step explanation:

Answer:
B.)8ft
Step-by-step explanation:
Set up a proportional to the roof slope:
2/5 = x/20
Cross multiply:
40/5 = 5x/5
x=8ft
Answer: B
Step-by-step explanation: