Identify the multiplication model that best fits the problem. Do not solve the problem.Kari drives 12 miles round trip each day to work. If she works 4 days each week, how many miles each week does she drive to work?
A. Set model
B. Array model
C. Measurement model
D. Cartesian product model
Answer: C
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Solve the problem.The Smith family is planning a 210-mile trip. If they travel at an average speed of 35 miles per hour, then what will be their travel time?
A. 5 hr. B. 7 hr. C. 6 hr. D. 8 hr.
Solve the problem.Jennifer has $524.83 in her savings account. If she withdraws 
, what is the new balance in her account?
A. $606.84 B. $606.83 C. $442.83 D. $442.82
Determine the direction in which the parabola opens, and the vertex.x = -(y - 8)2 + 1
A. Opens to right; (8, 1) B. Opens to left; (8, 1) C. Opens to left; (1, -8) D. Opens to left; (1, 8)
Solve the problem.What is the minimum force required to prevent a ball weighing 17.1 lb from rolling down a ramp which is inclined 15.6° with the horizontal?
A. 16.5 lb B. 8.3 lb C. 4.6 lb D. 2.3 lb