Which of the following statements contain a variable? check all that apply.

a. the number of different colors on the page.
b. they scored 27 points.
c. eighty miles per hour.
d. half the speed of the car.

60

step-by-step explanation:

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation: