Plot the ordered pair in the Cartesian plane, and state in which quadrant or on which axis it lies.(-1, 0)
A. Quadrant II
B. y-axis
C. x-axis
D. x-axis
Answer: C
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Find the curvature of the curve r(t).r(t) = (3 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2
A. ? = sin t B. ? = 1 - cos t C. ? = -cos t D. ? = cos t
Solve the problem.Cordelia has a credit card balance of $4121.62 with an annual percentage rate of 21.2%. Her card requires a minimum payment of 2% of the total balance. If she pays only the minimum payment, what amount of the minimum payment is applied to the principal? (Assume that interest is compounded monthly.)
A. $72.82 B. $82.43 C. $9.61 D. $21.20
Solve the equation.-10x = -100
A. -90 B. -10 C. 90 D. 10
Solve the problem.An appliance store sells two types of refrigerators. Each Cool-It refrigerator sells for $640 and each Polar sells for $740. Up to 350 refrigerators can be stored in the warehouse and new refrigerators are delivered only once a month. It is known that customers will buy at least 60 Cool-Its and at least 100 Polars each month. How many of each brand should the store stock and sell each month to maximize revenues?
A. 60 Cool-Its and 290 Polars B. 310 Cool-Its and 195 Polars C. 250 Cool-Its and 100 Polars D. 75 Cool-Its and 275 Polars