Which characteristics tell you that this graph shows a proportional relationship? Check all that apply. Three points are on the graph.
A straight line can be drawn through the points.
The ordered pairs all have the same x- and y-values.
The line connecting the points passes through the origin.

20

step-by-step explanation:

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13

150

step-by-step explanation:

(sorry i'm not typing it again just read the other two explanation sections i just typed it'll be the same.)