Solve.A $2500 necklace is on sale at 25% off. Find the discount.
A. $2437.50
B. $1875.00
C. $625.00
D. $62.50
Answer: C
Mathematics
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Solve by the substitution method.0.4x + 0.6y = -2.4 x - 0.6y = -1.8
A. {(-0.3, -0.2)} B. {(-2, -3)} C. ? D. {(-3, -2)}
Mathematics
Graph the equation as a solid line. Graph the inverse relation as a dashed line on the same axes by reflecting across the line y = x.y = 2x + 3
A. 
B. 
C. 
D. 
Mathematics
Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
Mathematics
Find an equation in standard form for the hyperbola that satisfies the given conditions.Center (4, -3), focus (9, -3), vertex (7, -3)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics