In a certain state, license plates each consist of 2 letters followed by 3 digits.
(a) How many different license plates are there?
(b) How many different license plates are there that have no repeated letters or digits?
a. 26 · 26 · 10 · 10 · 10 = 676, 000 license plates
b. 26 · 25 · 10 · 9 · 8 = 468, 000 license plates
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Subtract in the indicated base.
A. 12four B. 11four C. 3four D. 13four
Find the perimeter (P) and area (A) of the figure.
A. P = 90, A = 320 B. P = 48, A = 350 C. P = 35, A = 507.5 D. P = 377, A = 640
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 3x + 8 = 0
A. One real solution B. Two different imaginary-number solutions C. Two different real-number solutions
Determine algebraically whether the function is even, odd, or neither.f(x) = 
A. even B. odd C. neither