Roberta has $50 in her purse. The money she has left over after buying two boxes of cookies is given by the equation 50 − x = 38, where x represents the cost of two boxes of cookies.

Me with this one question, and i'll upvote the brainliest answer

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so, about which interval is it approximately symmetric?

X2 + y 2 = 36 x + y = 6 solve the system of equations.