Jovita made 300 greeting cards. she sold 40% of the cards, gave 85% of the remaining cards to her friends, and kept the rest of the cards for herself. how many greeting cards did she keep for herself.

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides