Please help me out! I have a test tommorow and if i do this assignment i get an extra 20 points incase i fail my test at school! I will mark you brainliest if u awnser me correctly!

Solve the triangle. a = 21°, c = 105°, c = 5

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n