Answer:
Step-by-step explanation:
2 csc²x-2 csc x-1=0
or

Answer:
5
Step-by-step explanation:
solve equation 180+92x= 250+78x
27 divided by 40 is equal to 0.675.
Answer:
100+x
Step-by-step explanation:
Peter starts out with 100 dollars and then gets X more meaning we have to add X to what he originally had and that looks like this 100+x
I hope this helps and please don't hesitate to ask if there is anything still unclear!