In a candy shop, chocolate which sells for $4 a pound is mixed with nuts which are sold for $2.50 a pound are mixed to form a chocolate-nut candy which sells for $3.50 a pound. How much of each are needed to make 30 pounds of the mixture?

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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.

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?