Solve the problem.In a class of twenty students, what is the likelihood that two or more have the same birthday? (Ignore leap years and assume that each of the 365 days are equally likely.)
Fill in the blank(s) with the appropriate word(s).
Approximately 41.1%
Mathematics
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Graph the equation.y2 + 14y = 12x - 13
A. 
B. 
C. 
D. 
Mathematics
Multiply.(-4x3y4)(-2x2y2)
A. 8xy5 B. 8x5y6 C. 8x6y5 D. 8xy6
Mathematics
Solve the problem.A section of roller coaster track has the dimensions shown in the diagram. Find the grade of the track, written as a percent. 
A. 40% B. 9.6% C. 45% D. 3%
Mathematics
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 8
, z2 = 3
A. 11
B. 24
C. 24
D. 11
Mathematics