Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.(2.5, -4.2) and (0.3, -3.9)
A. 
; rises
B. - 
; falls
C. - 
; falls
D. 
; rises
Answer: C
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = 
t3/2i + (4t sin t)j + (4t cos t)k ; -3 ? t ? 7
A. 120 B. 248 C. 200 D. 132
Solve the problem.The current in the circuit is 6.50 mA. Determine the phase angle for the combination of the capacitor and the resistor. XC = 1550 ? R = 2900 ? XL = 2100 ? 
?? I
A. ? = -28.12° B. ? = -61.88° C. ? = -30.62° D. ? = -0.49°
Provide an appropriate response.Given two linear equations in standard form, how can you determine if the lines are parallel by inspection? Create examples to illustrate your answer.
What will be an ideal response?
Divide and round the answer to the indicated place.
; to the nearest thousandth
A. 9.185 B. 91.345 C. 91.845 D. 9.135