Solve the problem.How many different 5-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 15,120
B. 126
C. 59,049
D. 5
Answer: A
Mathematics
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Graph the function. Determine the symmetry, if any, of the function.y = - 
A. Symmetric about the y-axis
B. No symmetry
C. Symmetric about the y-axis
D. Symmetric about the y-axis
Mathematics
Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. s2 - 3s - 18 < 0
A. (-?, -3) ? (6, ?)
B. (-?, -3)
C. (-3, 6)
D. (6, ?)
Mathematics
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 7
B. 
C. 7
D. 
Mathematics
Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.(4 + y) + 7 as y + 11
What will be an ideal response?
Mathematics