If callum is consuming his utility maximizing bundle and the price of one good rises, what happens to the marginal utility per dollar spent on this good (mu/p), and what should callum do?

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Ineed me i stuck and i don’t want to get it wrong

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?