Solve the problem.Elaine had 38 buttons. Her grandmother donated 5 cards of buttons to the collection. Elaine sorted the buttons into 7 piles, putting 9 buttons in each pile. How many buttons were on each card from Elaine's grandmother?
A. 36 buttons
B. 58 buttons
C. 5 buttons
D. 61 buttons
Answer: C
Mathematics
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Use the integral test to determine whether the series converges.
A. converges B. diverges
Mathematics
Convert as indicated. Express the answer in decimal form when needed.11 feet per second to meters per second (Round to the nearest tenth.)
A. 3.4 ft/sec B. 33 ft/sec C. 12.2 ft/sec D. 3.7 ft/sec
Mathematics
Evaluate the expression using the given values.
; x = 12, y = -5
A. 17
B. 13
C. 
D. 15
Mathematics
Subtract.(-6x7 - x4y3 + x3y4 + 4y7) - (12x7 + x4y3 - 4x2y5 + 7xy6 + 3y7)
A. -18x7 + x3y4 - 4x2y5 + 7xy6 + 7y7 B. -18x7 + x3y4 + 4x2y5 - 7xy6 - y7 C. -18x7 - 2x4y3 + x3y4 + 4x2y5 - 7xy6 + y7 D. -18x7 + 2x4y3 + x3y4 - 4x2y5 + 7xy6 - y7
Mathematics