URGENT 30 POINTS Match the figures to the formulas

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?