Please help ASAP - find the circumcenter for the points

(-3,0.5), (3,3), and (2,-1).

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

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.