Find the area of △XYZ with vertices X(-8,5), Y(2,-6), and Z(2,5).

Find the solution set for this equation: t^2+7t=0 separate the two values with a comma.

Maria has $10,000 to invest in two accounts. he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?

Me on this i beg you on this to answer!