In an objective test containing 50 questions, a student is to be awarded + 3 marks for every correct answer, 2 for every incorrect answers 0 for not supplying any answers. If Samir had 30 correct answer 5 questions were left to supply any answer. Find the marks secured by him in this test. (Ans:60) (Please help to solve this word problem step by step)

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?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.