Solve the problem.A student is told to work any 6 out of 10 questions on an exam. In how many different ways can he complete the exam? (The correctness of his answers has no bearing.)
A. 210
B. 1,000,000
C. 5040
D. 24
Answer: A
Mathematics
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Provide an appropriate response.Find the product: (2x - 5)(3x - 5)
What will be an ideal response?
Mathematics
Find A-1 then use it to find the solution to the system.
A. A-1 = 
; x = 21, y = -70
B. A-1 = 
; x = -21, y = 10
C. A-1 = 
, x = -42, y = -140
D. A-1 = 
; x = -105, y = 70
Mathematics
Determine whether the given expression is a polynomial. If it is, write it in standard form.
A. Yes; 
- 2
B. No
Mathematics
Use a graphing utility to graph the polar equation.r cos ? = 2
A. 
B. 
C. 
D. 
Mathematics