Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. k, l, m and n
B. k, m and n
C. Only n
D. l and n
Answer: C
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Solve problems using a calculator.Balance the following checking account record:Date DepositsWithdrawalsBalance8/1??$87008/8$2290??8/15?$220?8/22$573??8/29?$1057?9/1??A(a) Find the new balance A.(b) Keep a running balance by filling each blank in the balance column.
A. (a) $10,286, (b) $10,990, $10,770, $11,343, $10,286 B. (a) $10,286, (b) $10,896, $10,730, $11,622, $10,286 C. (a) $10,288, (b) $10,990, $10,761, $11,343, $10,283 D. (a) $10,245, (b) $10,998, $10,690, $11,527, $10,286
Simplify by taking the roots of the numerator and the denominator. Assume all variables represent positive numbers.
A. 6x
B. 6x
C. 6x
D. x
Determine if the equation is an identity.cot2 
+ 1 = sec2 x
A. Yes B. No
Determine a viewing window that will provide a complete graph of the function.y = 0.62x3 - 5x2 + 11x + 8
A. [-10, 1] by [-75, 100] B. [-2, 7] by [-100, 60] C. [-3, 8] by [-50, 50] D. [-2, 1] by [-30, 20]