4x 2 +2x 2 -x 2 =? help m

Which system of linear inequalities is graphed? can somebody pleasssse

Ill mark the brainliest if you me with the these three questions 7,8,9

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m