Free 100 points if u answer correctly whats 9 + 10? if you know m e t h you cans do disisisss

For an experiment, a penny is tossed. at the same time, a spinner with 8 congruent sections numbered 1–8 is spun. how many possible outcomes are there for the experiment?

Which expression gives the area of the triangle shown below

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab