Marie worked two weeks during her college semester break. She earned $870 the first week and $345 the second week. If half of her total earnings went to taxes and 1/3 went to college tuition, how much money did she have left?

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?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Three times the sum of a number and seven is negative thirty-six. what is the number?