Solve the problem.Given that P(A) = 0.22 and P(B) = 0.25, find P(A ? B) if A and B are mutually exclusive.
A. 0.47
B. 0.415
C. 0
D. 0.055
Answer: A
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Write the system of equations associated with the augmented matrix. Do not solve.
A. 7x - 2y - 4z = 9 9x + 3y = 4 -7x - 8z = 7 B. 7x - 2y - 4z = 9 9x + 3y = 4 -7x - 8y = 7 C. 7x - 2y - 4z = 9 9x + 3z = 4 -7x - 8y = 7 D. 7x - 2y - 4z = 9 9x + 3y + 4z = 0 -7x - 8y + 7z = 0
Factor out the GCF from the polynomial.12x8y9 - 48x2y7 + 48x4y3
A. x2y3(12x6y6 - 48y4 + 48x2) B. 12x2y3(1x6y6 - 4y4 + 4x2) C. 12(1x8y9 - 4x2y7 + 4x4y3) D. 12x2(1x6y9 - 4y7 + 4x2y3)
Solve the equation.2 - 6x = 4x - 2x - 30
A. 
B. {4}
C. 
D. 
Solve the problem.A football player lost 3 yards on each of a number of plays. His total yardage lost was 15 yards. How many plays were involved?
A. 4 B. 6 C. 5 D. 7