A triangle has side lengths of (9x + 3) centimeters, (6x – 10) centimeters, and (y – 2) centimeters. Which expression represents the perimeter, in centimeters, of
the triangle?

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.

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)

I’m really confused and need to learn this