Studying which of the following is helpful in learning to think like an economist?

According to the short-run Phillips Curve, there is a trade-off between

(a) interest rates and inflation (b) the growth of the money supply and interest rates (c) unemployment and economic growth (d) inflation and unemployment (e) economic growth and interest rates

Refer to Figure 10-5. Suppose the price of pizza increases while the price of hamburger remains constant. Then, the consumer's

A) indifference curve becomes straighter. B) budget constraint moves outward away from the origin on the pizza axis while the hamburger intercept remains the same. C) indifference curve becomes more concave away from the origin. D) budget constraint moves inward toward the origin on the pizza axis while the hamburger intercept remains the same.