Solve the problem.Suppose you buy 1 ticket for $1 out of a lottery of 1,000 tickets where the prize for the one winning ticket is to be $500. What are your expected winnings?
A. $0.00
B. -$0.50
C. -$1.00
D. -$0.40
Answer: B
Mathematics
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Find the perimeter.
A. 36 yd B. 35 yd C. 52.5 yd D. 29 yd
Mathematics
Find the slope and y-intercept of the line.x + 9y = 1
A. slope = 
; y-intercept = 
B. slope = -9; y-intercept = 9
C. slope = - 
; y-intercept = 
D. slope = 1; y-intercept = 1
Mathematics
Solve the problem.A metal cube dissolves in acid such that an edge of the cube decreases by 0.48 mm/min. How fast is the volume of the cube changing when the edge is 7.4 mm?
A. -79 mm3/min B. -342 mm3/min C. -195 mm3/min D. -26 mm3/min
Mathematics
Factor completely.x5/2 - 2x3/2 - 35x1/2
A. x1/2(x - 5)(x - 7) B. x1/2(x - 5)(x + 7) C. x1/2(x + 5)(x + 7) D. x1/2(x + 5)(x - 7)
Mathematics