Y=-3x + 7?

what is the slope of line y

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Find the amplitude of a sinusoidal function that models this temperature variation