I need help solving this

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Which ahows the graph of the solution set of 6x+4y< 12