Pls answer asap as i wanna know if i wrote the right answer during my exam. Thanks in advance MnO2+C2O4^2- = Mn^2 + CO2

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?