Solve the problem.How many 2-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.

A. 90
B. 3,628,800
C. 45
D. 1,814,400


Answer: A

Mathematics

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Multiply.-18(-12)

A. 216 B. 228 C. -234 D. 234

Mathematics

The function f is one-to-one. Find its inverse.f(x) = 

A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 

Mathematics

Solve the equation.4-x = 

A.
B. {-3}
C.
D. {3} 

Mathematics

Expand the expression using the Binomial Theorem.(2x + y)6

A. 2x6 + 12x5y + 30x4 y2 + 40x3y3 + 12xy5 + y6 B. 64x6 + 192x5y + 240x4y2 + 160x3y3 + 240x2y4 + 192xy5 + 64y6 C. 64x6 + 192x5y + 480x4y2 + 960x3y3 + 1440x2y4 + 12xy5 + y6 D. 64x6 + 192x5y + 240x4 y2 + 160x3 y3 + 60x2y4 + 12xy5 + y6

Mathematics