(7 + 5) x 6 + 3. (7 + 5 = 12, 12 x 6 = 72, 72 + 3 = 75.)
Answer:
(600 miles) / (3 hours) = 200 miles/hour
= 321.8 km/h
A and C I think. I hope I helped a little bit
Answer:

Step-by-step explanation:
Given

Recursive: 
Required
Determine the formula
Substitute 2 for n to determine 


Substitute 


Next is to determine the common difference, d;



The nth term of an arithmetic sequence is calculated as

Substitute
and 


Hence, the nth term of the sequence can be calculated using
Answer:
152.4 cm is the answer
Step-by-step explanation: