20 ! i need an answer now! what is the equation of a line that passes through the the point (4,2) and is perpendicular to the line whose equation is y=x/3 -1? hurry!

perpendicular means the slope is the negative reciprocal

1/3 becomes -3

point slope form

y-y1 = m(x-x1)

y-2 = -3(x-4)

change it to slope intercept form

distribute

y-2 = -3x +12

add 2 to each side

y=-3x+14

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)