Show that the 9x^2-24xy+16y^2-12x+16y-12=0 represents a pair of parallel lines .Find the distance between the lines.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account