Solve the problem.How many 6-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 720
B. 1,000,000
C. 999,999
D. 46,656
Answer: B
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Solve the problem.An honest coin is tossed ten times. The probability that the number of heads is double the number of tails is
A. 0.
B. 
.
C. 
.
D. 
.
E. none of these
Solve the initial value problem for x as a function of t.(t2 - 5t + 6) 
= 1 (t > 3), x(4) = 0
A. x = -ln
+ 
+ ln 2
B. x = ln
- ln 
+ ln 2
C. x = -ln
+ ln 
+ ln 2
D. x = -ln
+ ln 
+ 2
A card is drawn from a standard deck of cards. Expressing your answer as a fraction in simplest form, what is the probability of getting the specified card?a red 7.
A. 
B. 
C. 
D. 
The calculator graphs shows the x-values of the x-intercepts of the graph of the polynomial in the equation. Use the graphs to solve the equation.-x2 + 2x + 35 = 0
A. {-35, -2} B. {5, 7} C. {-7, 5} D. {-5, 7}