Match the equation with the surface it defines.
- 
- 
= 1 
A. Figure 2
B. Figure 1
C. Figure 4
D. Figure 3
Answer: C
Mathematics
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Determine the symmetries of the curve.r = 
, ? > 0
A. No symmetry B. y-axis only C. Origin only D. x-axis only
Mathematics
Evaluate the expression for the given replacement values.x ÷ y; x = 
, y = 1
A. 
B. 
C. 
D. 4
Mathematics
Solve the problem.Sales at Andrea's Formal Wear Shop were 
this week. This is 
less than the sales last week. What were last week's sales?
A. $1,071 B. $1,060 C. $694 D. $1,049
Mathematics
Simplify.
÷ 2 ? 
? 
A. 
B. 
C. 0.097
D. 504
Mathematics