Answer:
Step-by-step explanation:
3 over 2/3 → 3/1 divided by 2/3 → 3/1 x 3/2 (do keep change flip)
once you multiply you'll get 9/2.
2.5=2 dozen cookies
x=15 dozen cookies
2/5 / 2= 1.25 (unit rate)
15*1.25=18.75, or 18 and 3/4 cups of flour.
Hope I helped, and if I did feel free to vote brainliest!
If u just want the quick answer it’s -i bc i^14=-1 and i^16=1
