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. 3,628,800
B. 1,814,400
C. 90
D. 45
Answer: C
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Combine like terms and write the resulting polynomial in descending order of degree.5x8 + 9x3 + 2x8
A. 16x19 B. 7x8 + 9x3 C. 16x3 D. Cannot be simplified
Solve.Approximately 19.3% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 1
B. 
C. 19
D. 
Find a formula for the inverse of the function described below.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Fahrenheit to those in Celsius is 
.
A. f-1(x) = x + 32
B. f-1(x) = 
x + 32
C. f-1(x) = 
x - 32
D. f-1(x) = 
(x - 32)
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.f(x) = 9x2 - 11 + 0.12x - 5x3
A. Constant; -11; -11; 1 B. Quadratic; 9x2; 9; 2 C. Cubic; -5x3; -5; 3 D. Cubic; x3; -5; 3