Solve the problem.A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $1.20
B. $24.00
C. $12.00
D. $6.00
Answer: C
Mathematics
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Find the acceleration of an object for which the displacement s (in m) is given as a function of the time t (in s) for the given value of t.s = 
, t = 3 s
A. 
ft/s2
B. - 
ft/s2
C. - 
ft/s2
D. 
ft/s2
Mathematics
The following bar graph reflects information about high speed presses. Use the graph to answer the following question(s).
Which press was rated at 350 stamps per minute and which press was rated at 500 spm?
A. Niagara and Bruderer B. Minster and Bruderer C. Niagara and Minster D. Oak Model LP and Niagara
Mathematics
Find the area of the shaded region.y = 2x2 + x - 6y = x2 - 4
A. 
B. 
C. 
D. 
Mathematics
Find the value of x:
8 2x Ä = ÄÄ x 16 a. 8.0 b. 11.3 c. 16 d. 19.8 e. 23.9
Mathematics