A computer password is made up of four characters. Each character can be a capital letter (A through Z), a lowercase letter (a through z) or a digit (0 through 9).How many passwords do not start with the digit 0?
A. 624 - 1
B. 61 × 623
C. 614
D. 623
E. none of these
Answer: B
Mathematics
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Find the length.
A.
1 inches
B.
inches
C.
inches
D.
inches
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Find the surface area of the solid.Find the surface area of a right rectangular prism measuring 13.3 cm × 22.1 cm × 23.3 cm. Round to the nearest square centimeter.
A. 2206 cm2 B. 1723 cm2 C. 2238 cm2 D. 1119 cm2
Mathematics
Identify and graph the polar equation.r = -2 cos 5?
A. rose with 5 petals
B. rose with 5 petals
C. limacon with inner loop
D. limacon with no inner loop
Mathematics
Write the decimal as a percent.5.5
A. 55% B. 0.0055% C. 0.55% D. 550%
Mathematics