Miranda conducted a survey on how many hours per day students spend surfing the internet versus how many pets they have She surveyed ten of her classmates and recorded the data in the scatter plot below.
which equation
y=-6.3x+0.4
y= -7.4x+ 0.7
y= 0.7x + 7.4
y= 0.4x + 6.3

How can you tell when x and y are not directly proportional?

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp