Simplify by factoring.
A. 28
B. 10
C. 4
D. 7
Answer: C
Mathematics
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Solve the problem.The transverse (vertical) displacement of a traveling wave on a stretched string is represented by the equation 
Find the period, amplitude, and phase shift of this function, given that 
and 
A. 1, 2, 2.5 B. 3, 2, -2.5 C. 1.00, 2, 2.50 D. ?, 2, -2.5
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.2.932.11
A. 6.182 B. 9.663 C. 23.330 D. 8.916
Mathematics
Graph the inequality.-4x + y > 8
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An auto repair shop charged a customer $532 to repair a car. The bill listed $82 for parts and the remainder for labor. If the cost of labor is $45 per hour, how many hours of labor did it take to repair the car?
A. 9 hr B. 10.5 hr C. 11 hr D. 10 hr
Mathematics