Ineed ( i took her phone"hehehe")

14

Step-by-step explanation:

140/10= 14

5 pencils left over.

14

Step-by-step explanation: You have to divide 145 by 14 and you get 14.5. you will be able to fill 14 cups with 5 pencils left

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