Find the product.9x5(6x7 - 5)
A. 54x12 - 45x5
B. 54x12 - 5
C. 9x5
D. 54x7 - 45
Answer: A
Mathematics
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Find the perimeter.
A. 42 yd B. 28 yd C. 41 yd D. 98 yd
Mathematics
Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a10 when a1 = -5, r = -2.
A. -5120 B. 2564 C. 2560 D. -23
Mathematics
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Mathematics
Find the indicated vector.Let u = 
. Find 5u.
A. 
B. 
C. 
D. 
Mathematics