Find the probability of the given event if a year is selected at random.Thanksgiving falls in March.
A. 
B. 
C. 0
D. 1
Answer: C
Mathematics
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Solve the problem.Find the point on the parabola x = t2, y = t, -? < t < ?, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (0, 0)
B. (64, 8)
C. 
D. (16, 4)
Mathematics
Solve the problem.Find a parametrization for the ellipsoid 
+ 
+ 
= 1. (Recall that the parametrization of an ellipse 
+ 
= 1 is x = 7 cos ?, y = 8 sin ?, 0 ? ? < 2?).
What will be an ideal response?
Mathematics
Find the value.63 + 80 ÷ 42 × 72
A. 63 B. 19,663 C. 308 D. 438
Mathematics
Solve.A flagpole casts a shadow of 40 ft. Nearby, a 5-ft tree casts a shadow of 2 ft. What is the height of the flag pole? Round to the nearest tenth of a foot, if necessary.
A. 400 ft B. 0.3 ft C. 16 ft D. 100 ft
Mathematics