Solve the equation by factoring.40 - n2 = 3n
A. {-8, -5}
B. {8, -5}
C. {5, -8}
D. {5, 8}
Answer: C
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The area of a rectangular region is 187 square feet. If the length and width are each increased by 5 feet, the area is increased by 165 square feet. Find the length and width of the original rectangle.
A. 13 feet by 19 feet B. 11 feet by 17 feet C. 10 feet by 16 feet D. 8 feet by 14 feet E. 12 feet by 18 feet
Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 12tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 46 mph.
A. 11.2 mph B. 47 mph C. 5.6 mph D. 4.6 mph
Provide an appropriate response.If Z has a standard normal distribution, find P(-0.65 < Z < 1.92).
Fill in the blank(s) with the appropriate word(s).