Together, zaid and rayyan had 195 baseball cards. once rayyan gave 3/8 of his cards to another friend, he and zaid had an equal number of cards. how many more cards did rayyan have than zaid in the beginning?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

Can anyone me with this question?

Isabelle is mixing red and blue paint to make purple paint she adds 3/10 of a fluid ounce of red to 12/25 of a fluid ounce of blue to make 1 1/30 fluid ounces of purple how many fluid ounces of red paint ounces of red paint will she need to make 3 fluid ounces of purple paint