Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ex + 3x2 - 4y2 = 11
A. (2.75, 1.28)
B. (-3.52, 0.59)
C. (2.75, -1.28)
D. (1.04, -0.14), (3.52, -1.69)
Answer: B
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Find dy/dx without eliminating the parameter.x = 1 - 2 cos t, y = 1 + 6 sin t, t ? n?
A. 3 tan t
B. 3 cot t
C. - 3 cot t
D. - 
tan t
Solve the problem.At the beginning of the month, Christopher had a balance of $177 in his checking account. During the next month, he wrote a check for $44, deposited $74, and wrote another check for $125. What was his balance at the end of the month?
A. -$82 B. $66 C. $82 D. -$66
Rationalize the denominator.
A. 
B. 
C. 
D. 
Solve the problem.A candy shop needs x ounces of almonds for candy A and y ounces of almonds to make candy B. The shop has 85 ounces of almonds in stock.a) Write an inequality to describe the situation.b) Graph the inequality.
c) Is (65, 18) a solution of this inequality?
A. x + y ? 85;
No, the point (65, 18) is not a solution.
B. x + y ? 85;
No, the point (65, 18) is not a solution.
C. x + y ? 85;
Yes, the point (65, 18) is a solution.
D. x - y ? 85;
No, the point (65, 18) is not a solution.