Solve the problem.A water tank can be filled in 6 min and emptied in 10 min. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
A. 
min
B. 
min
C. 3
min
D. 15 min
Answer: D
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Name the method that can be used to prove the triangles are congruent.
A. SSS B. SAS C. The triangles are not congruent. D. ASA
Solve the equation.log x + log (x -1) = log 90
A. x = -9
B. x = 10, x = -9
C. x = 
D. x = 10
Solve for the amount of discount and amount due.Invoice amt: $1209Invoice date: Mar 6Terms: 5/10, n/30Date paid: Mar 13
A. Amount of discount: $60.45; amount due: $1148.55 B. Amount of discount: $12.09; amount due: $1196.91 C. Amount of discount: $0; amount due: $1209 D. Amount of discount: $120.90; amount due: $1088.10
Solve the problem.
A homeowner wants to know how much grass seed to buy. First the size of the yard must be determined. Use the drawing to determine the area of the yard.
A. 4824 ft2 B. 5268 ft2 C. 10,448 ft2 D. 5624 ft2