Select the tables that show a proportional relationship between x and y.
x y
2 3
4 6
8 12

x y
3 2
12 8
15 10

x y
4 5
8 10
12 20

x y
2 3
8 6
12 8

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

It says factor each expression 49x-28?