Which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud
1 aud = 0.9668 usd

80 u s d times startfraction 0.9668 u s d over 1 a u d endfraction
80 u s d times startfraction 1.0343 u s d over 1 a u d endfraction
80 u s d times startfraction 0.9668 a u d over 1 u s d endfraction
80 u s d times startfraction 1.0343 a u d over 1 u s d endfraction

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Based on the figures as marked, /\rqs = —

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second