John can interview with five of eight companies on Wednesday or four of nine companies on Friday. How many ways can he select the companies to interview?
What will be an ideal response?
182
Mathematics
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Use counting rules to determine the probability.A student takes a true-false test consisting of 11 questions. Assuming that the student guesses at each question, find the probability that the student answers exactly 9 questions correctly.
A. 0.0161 B. 0.0215 C. 0.0107 D. 0.0269
Mathematics
Find the derivative.y = 4ex2
A. 8xex2 B. 8xe4x2 C. 8xe2x D. 8xe
Mathematics
Express the radical in simplified form. Assume that all variables represent positive real numbers.
A. 3k18 B. 3k5 C. 27k5 D. -3k5
Mathematics
Solve the triangle.
?
km, 
km, 
?
Apply the rules regarding the use of significant digits after all computations are complete.
?
A. 
km
B. 
km
C. 
km
D. 
km
E. 
km
Mathematics