Multiply.4(-7)
A. 28
B. -280
C. -28
D. 280
Answer: C
Mathematics
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Find the area of the triangle. Round your answer to two decimal places as needed.
A. 1794.85 cm2 B. 897.43 cm2 C. 1320 cm2 D. 3589.71 cm2
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Divide and simplify.
A.
B.
C.
D.
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Find the perimeter.
A. 46 cm B. 120 cm C. 45 cm D. 44 cm
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Solve the problem.A stack of 7 different cards are shuffled and spread out face down. If 5 cards are turned face up, how many different 5-card combinations are possible?
A. 42 B. 21 C. 1260 D. 2520
Mathematics