Charmaine's coffee shop makes a blend that is a mixture of two types of coffee. Type a coffee cost Charmaine $4.35 per pound, and type B cost $5.80 per pound. This month the blend used twice as many pounds of type B coffee as type a, for a total cost of $542.30 how many pounds of type a coffee were used?

What are the steps to solving the inequality 3b + 8 ≥ 14?

Need now 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.

Is the point (0, 8) on the x-axis or y-axis? how do you know?