Determine the amplitude or period as requested.Period of y = 4 cos x
A. 2?
B. ?
C. 
D. 4
Answer: A
Mathematics
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Find the regular selling price per item to the nearest cent. Markup is based on total cost.Total cost: $465Quantity purchased: 168 pr.Number at regular price: 160 pr.Reduced price: $3.55Markup: 35%
A. $3.92 B. $3.75 C. $2.73 D. $3.57
Mathematics
Find the sum, if it exists.
A. 1452 B. 93 C. 2460 D. Does not exist
Mathematics
Solve the problem.A brick staircase has a total of 18 steps The bottom step requires 107 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 2322 bricks B. 1161 bricks C. 2691 bricks D. 1116 bricks
Mathematics
Solve.3x - 
= 
A. 
B. 
C. -88
D. 
Mathematics