Math     will mark brainliest  2. simplify the expression. be sure to show all of your steps. 50 – 21 ÷ 7 + 3(4² - 7)

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.

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which statement best explains why ben uses the width hi to create the arc at j from point k