Ineed ! idk how to do this, my teacher never taught this. does anyone have the answers?

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

a

step-by-step explanation:

u take $30 minus $24. the answer/original($30)

d

step-by-step explanation:

i used the pitagoras theoreme

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720