Is this non linear or linear sorry i couldn't fit the whole thing​

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

We just started the introduction into circles and i have no idea how to do this.