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A rock-climbing gym called Rock-and-Roll charges $2.75 to rent shoes,
and $3 per hour to climb. A competing gym, Climb the Walls, charges
$4.25 to rent shoes, and $2.50 per hour to climb. At what time will the
cost of the two rock-climbing gyms be the same?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Analyze the diagram below and complete the instructions that follow. how to find tan