-5x+5y=20
x-5y=-12
Solve each system by substitution

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.

According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16