Find the value of the expression using the given values.
?x = 15, y = 20
A. 18
B. 13
C. 25
D. 24
Answer: C
Mathematics
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Find the second derivative of the function.y = 
A. 
= 1 + 
B. 
= 2 + 
C. 
= 2x - 
D. 
= 2 - 
Mathematics
Write an equation for the line described. Write the equation in the form specified.perpendicular to 
through (5, 4); slope-intercept form
A. y = - 
x - 
B. y = 
x - 
C. y = - 2x - 13
D. y = - 
x + 
Mathematics
Make the conversion indicated. Round your result to the nearest tenth.74°F ? 
°C
A. 9.1 B. 23.3 C. 165.2 D. 101.2
Mathematics
Use the graph to determine an equation of the hyperbola.
A. 9x2 - 25y2 = 1
B. 3x2 - 5y2 = 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics