Doug wants to read 4 books from the Young Hoosier Book Award list over the summer. There are 7 books on this list. How many book combinations could he read? plz help

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)