Solve the equation for the specified variable.d = rt; solve for t
A. t = 
B. t = 
C. t = dr
D. t = d - r
Answer: A
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What type of triangle has vertices at (-a,0), (a,0), and (0,b)?
A. right B. obtuse C. equilateral D. isosceles
Decide whether or not the functions are inverses of each other.f(x) = x3 - 4, g(x) =
A. No B. Yes
Provide an appropriate response.A smaller standard deviation indicates that the mean is a typical value in the data set.
A. True B. False
Solve the problem.The farther someone is from a light source, the less intense its light. The equation I = 
approximates the light intensity from a certain light source at a distance of d meters, where I is measured in watts per square meter. Find I for d = 2 meters and interpret the result.
A. 
= 6.25; the intensity is 6.25 W/m2 at 2 m.
B. 
= 25; the intensity is 25 W/m2 at 2 m.
C. 
= 12.5; the intensity is 12.5 W/m2 at 2 m.
D. 
= 1.5625; the intensity is 1.5625 W/m2 at 2 m.