Answer the question.Choose the expression that is equivalent to the following: 3(7a) + 3(2b)
A. 6(7a + 2b)
B. 3(9ab)
C. 3(7a + 2b)
D. 6(9ab)
Answer: C
You might also like to view...
Use this graph to answer the question.Big "D" Sales for Year 1, Year 2 
MonthWhat was the total increase in sales from Year 1 to Year 2?
A. $22,000 B. $12,000 C. $1,342,000 D. $182,000
Provide an appropriate response.Gerald made a trip to his friend's house for a birthday party. His trip is shown below, where his distance (in miles) from home is graphed as a function of the hours past 4. Refer to the graph to answer the questions about his trip.(i) When did Gerald park his car at his friend's house?(ii) How long did he stay?(iii) How far away was his friend's house?(iv) Did Gerald encounter slower traffic going to or coming home from his friend's house? 
A. (i) 5:45 (ii) One and a half hours (iii) 6 miles (iv) The traffic was heavier coming home from his friend's house since that trip took about a half an hour and the trip to his friend's house only took about 15 minutes. B. (i) 5:30 (ii) One and a half hours (iii) 12 miles (iv) The traffic was heavier going to his friend's house since that trip took about a half an hour and the trip back home only took about 15 minutes. C. (i) 5:00 (ii) One hour (iii) 12 miles (iv) The traffic was heavier going to his friend's house since that trip took about a half an hour and the trip back home only took about 15 minutes. D. (i) 6:00 (ii) Two hours (iii) 6 miles (iv) The traffic was heavier coming home from his friend's house since that trip took about a half an hour and the trip to his friend's house only took about 15 minutes.
Find the unit vector having the same direction as v.v = -12i - 5j
A. u = 
i + 
j
B. u = -156i - 65j
C. u = - 
i - 
j
D. u = - 
i - 
j
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?); range: [-3, ?) B. Not a function; domain: (-?, ?); range: [-3, ?) C. Not a function; domain: [-3, ?); range: (-?, ?) D. Function; domain: [-3, ?); range: (-?, ?)