10 Gene has a gasoline budget of $225 per month. He uses an average of $7 of gasoline each day he drives. Which of the following
equations represents how much money is left in his gasoline budget after x days of driving?
OA. y = 225x - 7
OB. y = 225 + 7x
OC. y=7x - 225
OD. y = 225 - 7x

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Pranza plotted point a in the coordinate plane below.

Cor d? ? me ? 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.