3x+2y=5 y intercept x intercept

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)