9514 1404 393
Answer:
68 4/7 miles/hour
Step-by-step explanation:
The unit rate is found by dividing miles by hours:
(120 miles)/(7/4 hours) = 480/7 miles/hour = 68 4/7 miles/hour
B) 0.45 and D) 9/20 are both eqivalent to 45%.
Answer:
2n + 2
Step-by-step explanation:
The formula for nth term of an arithmetic progression is 
In this example we have d = 2 (difference, +2 each time) and a1 =4 (first term of sequence).

Answer:
B
Step-by-step explanation:
the slope of parallel lines are equal