The Two rectangles below have the same height-to-width ratio. What is the value of w? (If necessary, round your answer to two decimal places.)

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how