13. Lu Ying works at the Wilkins Bike Shop and is paid $3.25 for every bike he assembles. The shop owner charges customers $20 for this service. During the
five working days of one week, Lu assembled these numbers of bikes: 27, 33,
29, 27, 31. What was Lu's gross pay for that week?

3

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: