the interior angles of a triangle have measures 100, (4y+25) , and (3y+20)
what is the value of y?

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?