The perimeter of a rectangle is 30 cm. If one of its sides is decreased by 3 cm and the other side is increased by 5 cm, the area of the rectangle will decrease by 8 cm2. Find the area of the original rectangle.

PLZ HELP

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

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

d

because parallelagram have all 4 angels the same size dependeing and a rectangle and square are oth parallelogram