4x – 3y +z= -9
-3x + 2y – z=6
-x + 3y + 2z = 9
hey i need this answered and throughly explained asap! it would be best to get the answer for it by 9: 00 tonight or very close to it. you so much!

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)

Can someone answer this question for me

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums. what is the probability that the applicant who gets the job plays drums or guitar?