Solve the application problem.The product of two positive consecutive integers is 55 more than their sum. Find the integers.
A. -7, -6
B. 7, 8
C. 8, 9
D. -9, -8
Answer: C
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Estimate the value of the quantity.The table shows the velocity of a remote controlled race car moving along a dirt path for 8 seconds. Estimate the distance traveled by the car using 8 subintervals of length 1 with left-end point values.
A. 114 in. B. 248 in. C. 124 in. D. 129 in.
Perform the indicated operation.
- 
A. - 
B. - 
C. -4
D. 
Solve the problem.In a school survey, students showed these preferences for instructional materials. Answer the question. 
About how many students would you expect to prefer films in a school of 450 students?
A. About 54 students B. About 90 students C. About 81 students D. About 20 students
Express the sum or difference as a product of sines and/or cosines.cos 
+ cos 
A. 2 cos(4?)
B. 2 cos(4?) cos 
C. 2 sin(4?) sin ?
D. 2 sin(4?) sin 