Solve the problem.Use the graph to determine how many hours were needed to prepare for 
.
A. 3
B. 5
C. 2
D. 4
Answer: B
Mathematics
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Provide an appropriate response. Solve for x by using an equivalent exponential equation: log464 = x
A. x = 3 B. x = 16 C. x = 2 D. x = 15
Mathematics
Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
- 
D. 
Mathematics
The graph of a function f is given. Use the graph to answer the question.How often does the line y = 2 intersect the graph?
A. once B. does not intersect C. twice D. three times
Mathematics
Solve using Cramer's rule. y + 3z = 92x - 4z = 9 x + 6y = -4
A. 
B. 
C. 
D. 
Mathematics