Identify the type of surface represented by the given equation.
+ 
= 9
A. Parabolic cylinder
B.
| Ellipsoid |
C. Paraboloid
D. Elliptical cylinder
Answer: D
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Solve the problem.Cory and Topanga borrowed $6,500 at 8.25% for a hot tub. They paid a total of $9181.25 when the loan was paid off. How long did it take Cory and Topanga to pay back the loan? Round to the nearest year.
A. 6 years B. 7 years C. 5 years D. 4 years
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Determine whether the sequence is geometric.8, -8, 8, -8, 8, . . .
A. Geometric B. Not geometric
Complete the table for the radioactive isotope. Round your answer to two decimal places.
Isotope
Half-life(years)
Initial Quantity
Amount after 1000 years
24,100
----
A. Amount after 1000 years: 
B. Amount after 1000 years: 
C. Amount after 1000 years: 
D. Amount after 1000 years: 
E. Amount after 1000 years: 