( 40 pts ) You notice at the local bodega that 12 oz Red Bulls are \( \$ 2.25 \) (after a \( 15 \% \) discount). At a nearby Duane Reade, you see a sign advertising " \( 20 \% \) off 16 oz Red Bull: currently \( \$ 3.25 . " \) At which store is the usual (no sale) price cheaper per ounce? (That is, if there isn't any sale going on, which store should be your default?)

(c) \( \frac{1}{6}+\frac{4}{15} \)

(a) A car corporation produced 1860 fewer cars this month than last. Write a signed number to represent this month's change in production. (b) Ryan received 25 dollars. Write a signed number to represent this change. (

What is the product of \( 45 \cdot 39 \) ? Find the product by using the box method. Show you vork below.

What is required for the standard deviation of the sampling distribution of \( \bar{x} \) to be equal to \( \sigma / \sqrt{n} \) ? whenever the population shape is Normal whenever the sample size is large whenever the sample is an SRS

3. Deportes de invierno: Un esquiador empieza su descenso desde una altura de 0 metros. Si desciende 50 metros por una pista y luego sube 20 metros en un teleférico, ¿a qué altura se encuentra?