Solve the equation and check your proposed solution.8.9x = 26.7
A. {23.7}
B. { 0.33}
C. {3}
D. {17.8}
Answer: C
Mathematics
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Rewrite as a complex fraction and simplify.
A. 
B. 
C. 
D. 
Mathematics
Determine if the graph of the function is concave up or concave down.y = - 
(x + 5)2 - 4
A. Concave up B. Concave down
Mathematics
Find the distance between the pair of points. Express your answer in simplest radical form.(4, 2) and (7, 3)
A. 2
units
B. 
units
C. 10 units
D. 8 units
Mathematics
Solve the problem.The position of a weight attached to a spring is s(t) = -4 cos 5t. What are the frequency and period of the system?
A. Frequency = 
cycles per sec, period = 
sec
B. Frequency = 5 cycles per sec, period = 
sec
C. Frequency = 
cycles per sec, period = 
sec
D. Frequency = 
cycles per sec, period = 
sec
Mathematics