Solve the problem.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, repeats are allowed, but the call letters cannot end in an O?
A. 16,900
B. 33,800
C. 35,152
D. 456,976
Answer: B
Mathematics
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Solve the system by graphing.x = -yy + x = 6
A. Infinitely many solutions B. (1, 1) C. (1, 5) D. No solution
Mathematics
Find the value of the polynomial for the given replacement value.x2 for x = 13
A. 26 B. 15 C. 169 D. -169
Mathematics
Find the value of x that satisfies the equation.x + 1
= 2
A. x = 
B. x = 
C. x = 2
D. x = 3
Mathematics
Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = x2 + x - 4
A. (0.5, -4.25) B. (-0.5, -4) C. (0.5, -3.75) D. (-0.5, -4.25)
Mathematics