Atutor invited 2 students to a study group. those 2 students each invited 2 students to the study group. then those additional students each invited 2 students to the study group. how many total students are invited to the study group?

15 points ! ~ see if you know the answer to both you!

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13