Express the statement as an equation involving the indicated variables.The circumference C of a circle is the product of ? and its diameter d.
A. C = ? + d
B. C = 2?d
C. C = 
D. C = ?d
Answer: D
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions. Foci at (
, 0), (-
, 0); asymptotes y = 2x, y = -2x
A. 
- x2 = 1
B. 
- y2 = 1
C. x2 - 
= 1
D. y2 - 
= 1
Mathematics
Provide an appropriate response.Find the equation of a line passing through the point (6, 5) with slope 
. Solve for y.
A. y = 
x + 
B. y = 
x + 1
C. y = 
x + 2
D. y = 
x - 7
Mathematics
Provide an appropriate response.Solve the system of equations using the addition method: 2x - y = 1 3x - y = 0
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use a graphing calculator to solve the equation.32 - x2 = 4x
A. 4, -8 B. 4, 8 C. -8, -4 D. 8, -4
Mathematics