Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = 
. How many hours of study are needed to score 88?
A. 3.24 hr
B. 100.97 hr
C. 32.40 hr
D. 6.55 hr
Answer: A
Mathematics
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Find the period of the function.y = 1.4 sin 
A. 
B. 1.4
C. 6
D. 6?
Mathematics
Solve the equation by the method of your choice. Simplify solutions, if possible.(3x + 4)2 = 6
A. 
B. 
C. 
D. 
Mathematics
Evaluate.(0.4)2
A. 0.8 B. 0.16 C. 16 D. 0.2
Mathematics
The augmented matrix
represents the system of equations:
A. 
B. 
C. 
D. 
Mathematics