20 POINTS! PLZ HELP ASAP ALSO NO LINKS!! ALL LINKS TO UNKNOWN WEBSITES WILL BE FLAGGED. Line A has a slope of 2.

Line B has a slope of 1/2

Are these lines perpendicular?

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 best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Multiply and simplify. 2x^2 y^3 z^2 · 4xy^4 x^2 i will mark you brainliest if right. show how you got the answer, !