6x divded by 3x plus 4 times 3x divided by 3x equals what

Nine more than four times a number is the same as one less than twice the number. find the number?

Needmax 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 company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs