Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 1)}
B. infinitely many solutions; {
y - 6x = 2} or {
5y = 30x + 10}
C. no solution; ?
D. {(-1.5, -1)}
Answer: B
Mathematics
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Express the set in roster form.{x|x is a whole number between 6 and 10}
A. {6, 7, 8, 9} B. {7, 8, 9, 10} C. {7, 8, 9} D. {6, 7, 8, 9, 10}
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Use the distance formula and the Pythagorean theorem to determine whether the set of points could be vertices of a right triangle.(3, -7), (9, -5), (15, -12)
A. Yes B. No
Mathematics
Find the quotient and write the answer in simplest form. Assume variables represent nonnegative values.
A. 
B. 3
C. 3
D. 2
Mathematics
Find the mistake, then find the correct answer.
- 
= 
What will be an ideal response?
Mathematics