Complete.42 ft = 
yd
A. 126
B. 3
C. 504
D. 14
Answer: D
Mathematics
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Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Write the quotient in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.tan-1 (-10.6)
A. -84.61° B. 63.46° C. 42.31° D. 84.61°
Mathematics
Solve the problem.The orbit of a planet in a distant system is an ellipse with a sun at one focus. For x and y in millions of miles, the equation of the orbit is 
Find the smallest distance (the perigee) from the planet to the sun. (Use the fact that 
where 
) 
A. 89.2 million mi B. 73.8 million mi C. 74.2 million mi D. 81.7 million mi
Mathematics