Help pls! :/ I can't solve this

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

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)

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*