Write the reference angle for the given angle.510°

A. 45°
B. 30°
C. 60°
D. 90°


Answer: B

Mathematics

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Name the conic or limiting form represented by the given equation.3x2 + 42x + 7y2 - 28y + 147 = -28

A. Hyperbola B. Point C. Ellipse D. Empty set

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Solve the formula for the specified variable.A = P(1 + nr) for r

A. r = 
B. r = 
C. r = 
D. r = 

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Solve the problem.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate  of power when  of current is flowing through the resistor whose resistance is  find the power that a resistor needs to dissipate when -4.0px;" /> of current are flowing through a resistor whose resistance is 

A. 252 watts
B. 126 watts
C. 294 watts
D. 42 watts

Mathematics

Find the perimeter of the figure if , .

? ? A. 39 in. B. 48 in. C. 28 in. D. 38 in. E. none of these

Mathematics