T - 7 for t= 20
it’s for math

20-7=13

Step-by-step explanation:

If t is 20 then you just do 20-7

t-7=13

Step-by-step explanation:

If t =20 then your equation is 20-7.

ok

step-by-step explanation:

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