A city's water tank is shaped like a cylinder with a closed top and bottom. The radius of the tank is 50 feet. The height of the tank is 120 feet. Find the surface area of the water tank. Use 3.14 to approximate pi.

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Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7