Answer the question asked. When necessary, round to the nearest hundredth.One pump can drain a pool in 3 minutes. When a second pump is also used, the pool only takes 2 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use?
A. 1
min
B. 
min
C. 6 min
D. 5 min
Answer: C
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Describe the level surfaces for the given function.f(x, y, z) = 
A. Ellipsoids B. Hyperboloids of two sheets C. Hyperboloids of one sheet D. Paraboloids
Use < or > for ? to write true sentence.- 
? 
A. > B. <
Use a calculator to give the real number value. Round the answer to 7 decimal places.y = tan-1(0.5774)
A. 0.5587302 B. 0.4714286 C. 0.5236361 D. 1.0476200
Solve the problem.Cordelia has a credit card balance of $4121.62 with an annual percentage rate of 21.2%. Her card requires a minimum payment of 2% of the total balance. If she pays only the minimum payment, what amount of the minimum payment is applied to the principal? (Assume that interest is compounded monthly.)
A. $72.82 B. $82.43 C. $9.61 D. $21.20