Hello how are you, i love you

if you get the i love you joke please tell me

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Find the slope of the line passing through a pair of points

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.