1. Using the following dilated coordinates of a triangle choose the appropriate scale factor. J:(2.4)---J':(4,8)
K:(1,1)K':(2,2)
L:(4.0)L':(8,0)

A.5
B.4
C.3
D.2

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

The table respent two linear functions the equation respented by the first tables is given

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .