A ∠A and ∠ B ∠B are supplementary angles. If m ∠ A = ( 8 x − 25 ) ∘ ∠A=(8x−25) ∘ and m ∠ B = ( 7 x − 5 ) ∘ ∠B=(7x−5) ∘ , then find the measure of ∠ B ∠B.

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)

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Hello, i need compare km^2 and km. what's difference in this?