The measure of an angle is 4y°. Find the measure of its supplement. And my options are

a
(180 - 4y)°

b
(90 - 4y)°

c
(90 + 4y)°

d
(180 + 4y)°
Help, pls and ty :)

How do i work this problem out using the equation a=pe^rt

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?