Assume there are 200 mendaliens living on an island in my back yard. if my island has an area of 20 hectares, what is the population density of mendaliens in terms of mendaliens per hectare?

1: 4 if the wew 35 surfboards at the beach how many were short boards?

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?

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?