Test the equation for symmetry with respect to the given axis, line, or pole.r = 6 + 2 sin ?;
the line ? = 
A. has symmetry with respect to the line ? = 
B. may or may not have symmetry with respect to the line ? = 
Answer: A
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Solve the system by graphing. 3x - 2y = 4-6x + 4y = 7
A. No solution B. (1, 2) C. Infinitely many solutions D. (2, 1)
Find the nth term and the indicated term of the arithmetic sequence {an} whose initial term, a, and common difference, d, are given.a1 = 6; d = -7an = ?; a15 = ?
A. an = 6 - 7n; a15 = -92 B. an = 13 - 7n; a15 = -92 C. an = 13 - 7n; a15 = -29 D. an = 13 + 7n; a15 = -92
The fuel efficiency (in miles per gallon) of a sport utility vehicle (SUV) depends on its weight according to the formula
?
?
where x is the weight of an SUV in pounds. According to the model, what is the weight of the least fuel-efficient SUV?
?
A. 3,000 pounds B. 3,100 pounds C. 2,000 pounds D. 6,000 pounds E. 491 pounds
Change to a mixed number.
A. 44
B. 4
C. 11
D. 