Is this a function, why or why not, what is the equation for the initial climb, and what is the domain and range. Pls answer all three, thank for the help, and will give brainliest

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

step-by-step explanation:

sorry just need the points

4th option is correct xy=-10

if this was to u plzz mark me the brainliest

i'm assuming that it's c.)   volcanoes built the mountains and earthquakes tore them down.