At their going-out-of-business sale, bill's bikes sold 37 bikes and had 54 left. which equation could be used to find x, the number of bikes the store had originally? a. x - 37 = 54 b. x + 37 = 54 c. x + 54 = 37 d. x - 54 = 37

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?