Jane receive a $80 gift card for a coffee store .She used it and buying some coffee that cost $7.82 per pound after buying a coffee she had $33.08 left on her car at many pounds of coffee did she buy

Whats the name of the vertical axis

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18