The restaurant bill you and your friend received was not itemized. you ordered 2 drink refills and the egg breakfast, for a total of $8.40. your friend ordered 3 refills and the egg breakfast for $9.35. (a) write a system of equations for the situation. use r for the amount charged for a refill and b for the amount charged for the egg breakfast. (b) graph the equations in the system. (c) use your graph to estimate how much each item cost.

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Someone answer asap for ! 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.