The maths test scores of 280 students are shown in the histogram below. Find the median score Find the lower quartile of the scores,

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.