Determine all solutions of the equation in radians.Find cos 
, given that sin ? = 
and ? terminates in 0 < ? < 90°.
A. 
B. 
C. 
D. 
Answer: C
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Use the two steps for solving a linear programming problem to solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 9 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A. 
sacks of soybeans and 
sacks of oats
B. 
sacks of soybeans and 
sacks of oats
C.
| 2 sacks of soybeans and 0 sacks of oats |
D. 0 sacks of soybeans and 2 sacks of oats
Solve the problem.Find the least squares line through the points 
and 
A. y = -10x + 12 B. y = -6x - 4 C. y = -10x - 4 D. y = -6x + 12
Find the length of the curve.The curve r = 7
, 0 ? ? ? 
A. 
(? + 2)
B. 
?
C. 2?
D. 7(? + ln(? + 
))
Solve.A Ferris wheel has a radius r of 25.8 feet. The height of the tower t is 35.5 feet. The distance d from the origin to the base is 32.6 feet. Find the standard form equation of the circle represented by the Ferris wheel. 
A. (x + 32.6)2 + (y + 35.5)2 = 25.8 B. (x - 32.6)2 + (y - 35.5)2 = 665.64 C. (x + 32.6)2 + (y + 35.5)2 = 665.64 D. (x - 32.6)2 + (y - 35.5)2 = 25.8