The ratio of the rates of printing of two printers A and B is 6:5. Printer A prints at a rate of (3x + 12) pages per minute. Write an expression to represent the rate of printing of Printer B in terms of x. Both printers started printing at the same time to complete a print job in one hour. What is the total number of printed pages from both printers in terms of x?

How many more printed pages did printer A produce than Printer B.

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges