Find an equation for the line tangent to the curve at the point defined by the given value of t.x = t + cos t, y = 2 - sin t, t = 
A. y = 
x - 
?
B. y = -
x + 
? + 3
C. y = -
x + 
D. y = -
x - 
? + 2
Answer: B
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Solve the problem.The base radius and the height of a cylindrical can tank were measured at 35 cm and 50 cm.The precentage errors in these measurements do not exceed 0.2% for the base radius and 0.7% for the height. Approximate the worst possible percentage error in the volume of the can. Assume that the sides and ends of the can are of negligible thickness.
A. 1.4% B. 1.1% C. 0.9% D. 1.8%
Solve the problem. Round the answer to the nearest tenth, if necessary.Two airplanes depart from the same place at 1:00 p.m. One plane flies north at a speed of 365 km/hr, and the other flies east at a speed of 484 km/hr. How far apart are the airplanes at 5:00 p.m.?
A. 5,879,696.0 km B. 4,501,642.3 km C. 606.2 km D. 2424.8 km
Using complements (with respect to 1) of the single discounts, find the net cost equivalent for the following discount.25/25/25/5
A. 0.4 B. 0.6 C. 0.40078125 D. 0.59921875
Find the surface area of the solid.The right triangular prism shown has a height of 12 cm and its base is an equilateral triangle with sides of length 8 cm. Find its surface area. Give an exact answer. 
A. 288 + 32
cm2
B. 384 + 16
cm2
C. 384 + 32
cm2
D. 288 + 16
cm2