Complete the exercises using counting techniques. How many different 4-letter radio-station call letters can be made if the first letter must be K or W, letters may be repeated, and the call letters cannot end in an O?
A. 35,152
B. 33,800
C. 16,900
D. 456,976
Answer: B
Mathematics
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Graph the function. State the amplitude, period, and phase shift.y = 
sin x + 
cos x 
x-scale = 
y-scale = 1
A. Amplitude 3, period 2?,
phase shift 
x-scale =  | y-scale = 1 |
B. Amplitude 1.5, period 2?,
phase shift -
x-scale =  | y-scale = 1 |
C. Amplitude
, period ?, phase shift -
x-scale =  | y-scale = 1 |
D. Amplitude 3, period ?,
phase shift
x-scale =  | y-scale = 1 |
Mathematics
Solve the equation.-5x + 1 - 3x - 6 = 11
A. 2
B. - 
C. - 8
D. - 2
Mathematics
Solve the equation.2 + 
= 
A. 
B. 
C. 
D. 
Mathematics
Find the missing values.
A. 10%, $98.10 B. 1%, $98.10 C. 12%, $98.10 D. 11%, $98.10
Mathematics