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
Answer: A
Mathematics
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Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
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Find an equation for the ellipse described.Center at (0, 0); focus at (-3, 0); vertex at (8, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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Find the square.(0.9x - 0.2)2
A. 0.81x2 + 0.36x - 0.04 B. 0.81x2 - 0.36x + 0.04 C. 0.81x2 + 0.04 D. 0.81x2 + 0.36x + 0.04
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Solve the problem. Use 3.14 for ?. Round your answer to the nearest hundredth.Glenda wants to glue glitter over a piece of felt shaped like a parallelogram with a height of 32 in. and a base of 54 in. If the glitter costs $0.90 per ft2, how much will it cost to cover the felt?
A. $1555.2 B. $43.20 C. $10.80 D. $129.60
Mathematics