Please answer soon. math. screenshot below.

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

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f

When you find the area of a triangle do you use in. or in2