What is the answer 6x-4y=48

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary