Find the indicated angle.Find the supplement of 58°.
A. 302°
B. 32°
C. 122°
D. 212°
Answer: C
Mathematics
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Find 
and 
.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y(y - 1)
B. 
= ye-y; 
= xe-y
C. 
= ye-y; 
= xe-y(1 - y)
D. 
= ye-y; 
= - xye-y
Mathematics
Provide an appropriate response.Solve: 
= 1
A. 1.73 B. 2 C. 1.5 D. 1
Mathematics
Find the equation y = ?0 + ?1x of the least-squares line that best fits the given data points.Data points: (5, -3), (2, 2), (4, 3), (5, 1)X = 
, y = 
A. y = 
- 1x
B. y = 
- 2x
C. y = 
- 
x
D. y = 
+ 
x
Mathematics
Solve the problem.Roberto invested some money at 7%, and then invested $3000 more than twice this amount at 12%. His total annual income from the two investments was $4390. How much was invested at 12%?
A. $29,000 B. $9000 C. $26,000 D. $2900
Mathematics