Is the pair of vectors 
and 
perpendicular?
?
A. no
B. yes
Answer: A
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Which of the following is likely to be most strongly influenced by sociomathematical norms in place in a classroom?
a. A class discussion about students' attitudes toward learning mathematics. b. A class discussion about being polite to one another when arguing different points of view about solving problems. c. A class discussion about whether the quadratic equation or factoring is the best way to solve a given equation. d. A class discussion about how the mathematics learned in the classroom may be applicable in real-world settings.
Solve the problem. Round dollar amounts to the nearest cent.Use the sum-of-years' digits method to make a depreciation schedule (first three years) for a zamboni that cost $75,000.00, has an expected useful life of 8 years, and has a residual value of $7500.00.
What will be an ideal response?
Solve the problem.Let h(x) = x2 + 4x + 9. Find x such that (x, 3) is on the graph of h(x).
A. no solution
B. x = 4 ± 3
C. x = 0
D. x = -4 ± 
Write the complex number in trigonometric form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?