Solve.If you are traveling 70 miles per hour on a highway in Canada, how fast are you traveling in kilometers per hour? (Use k = 1.61r, where r = rate in miles per hour and k = rate in kilometers per hour.)
A. 105.7 km/hr
B. 71.6 km/hr
C. 112.7 km/hr
D. 43.5 km/hr
Answer: C
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Provide an appropriate response.Which of the following integrals, if any, calculates the area of the shaded region?
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Find the sign of the six trigonometric function values for the given angle.56°
A. Positive: tangent and cotangent; negative: sine, cosine, secant, cosecant B. Positive: cosine and secant; negative: sine, tangent, cotangent, cosecant C. Positive: sine and cosine; negative: tangent, cotangent, secant, cosecant D. Positive: all
Solve the problem.Graph 1 is connected and every edge is a bridge. Graph 2 is such that for any pair of vertices in the graph there is one and only one path joining them.
A. Graph 1 must be a tree; Graph 2 must be a tree. B. Graph 1 cannot be a tree; Graph 2 cannot be a tree. C. Graph 1 must be a tree; Graph 2 may or may not be a tree. D. Graph 1 must be a tree; Graph 2 cannot be a tree. E. none of these
Give the coordinates of the specified point.
D
A. (3, 3) B. (5, 3) C. (5, 5) D. (3, 5)