Ahmet rents a piano for $35 per month. He earns $25 per hour giving piano lessons to students. He wants to know how many hours of lessons per month he must give to earn a profit of $440. Which answer describes the correct solution for the situation?

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Stefania pours 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl. how many liters are in the punch bowl?