In a game, a coin is flipped twice. If heads lands up either time, the player wins $2. If heads does not land up, the player loses $3. What is the expected value of this game?
A) -$0.50
B) $2.25
C) $2.50
D) $0.75
D) $0.75
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The size N, in thousands, of a certain animal population after t years is given in the table below. Use exponential regression to find the yearly percentage growth rate of the population. Round your answer to two decimal places. t 0 1 2 3 4 N 4.95 5.73 6.34 6.80 7.25?
A. 12.02% B. 10.52% C. 10.00% D. 9.82%
Provide an appropriate response.For the hyperbola x2 - 12y2 = 48, if x = 9.2, what are the two values of y?
A. ±1.7474 B. No y values. C. ±31.1076 D. ±1.7981
Use a calculator to find the interest earned if interest is compounded annually. Round to the nearest cent if necessary.$750 at 3
% for 4 years
A. $860.64 B. $1610.64 C. $855.00 D. $110.64
Find all indicated roots. Write your answer in the specified form.Fifth roots of i; trigonometric form
A. cis 
, cis 
, cis 
, cis 
, cis 
B. cis 
, i, cis 
, cis 
, cis 
C. cis 
, cis 
, -1, cis 
, cis 
D. cis 
, cis 
, cis 
, cis 
, 1