Calculate the number of distinguishable strings that can be formed with the stated letters.5 m's and 5 n's
A. 25
B. 642
C. 252
D. 10
Answer: C
Mathematics
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Solve the problem.The matching section of an exam has 5 questions and 8 possible answers. In how many different ways can a student answer the 5 questions, if none of the answer choices can be repeated?
A. 336 B. 56 C. 672 D. 6720
Mathematics
Factor the expression completely.7x2 - 7x - 42
A. 7(x + 2)(x - 3) B. 7(x - 2)(x + 3) C. (7x + 14)(x - 3) D. Prime
Mathematics
Provide an appropriate response.Can the following be simplified without first simplifying the individual radical expressions?7
+ 5
A. No B. Yes
Mathematics
Solve the problem.The formula A = 
gives a student's average A after T tests and Q quizzes, where each test counts as 2 quizzes, t is the test average and q is the quiz average. Solve for T.
A. T = 
B. T = 
C. T = 
D. T = 
Mathematics