Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Parabola
B. Hyperbola
C. Ellipse
Answer: C
Mathematics
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A manufacturer has a monthly fixed cost of $30,000 and a production cost of $6 for each unit produced. The product sells for $25/unit. ? What is the cost function? ? __________ ? What is the revenue function? ? __________ ? What is the profit function? ? __________
What will be an ideal response?
Mathematics
Find the reference angle for ?. ? = 215°
A. -35° B. 125° C. 35° D. -55°
Mathematics
Find the product.-7x3(7x7 + 3x5)
A. -49x10 + 3x5 B. -70x10 - 70x8 C. -70x3 D. -49x10 - 21x8
Mathematics
Convert to Celsius. Use the formula C = 
(F - 32) or C = 
. Round your answer to the nearest tenth if necessary.85°F
A. 121.0°C B. 185.0°C C. 29.4°C D. 15.2°C
Mathematics