Please help with these questions

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?

Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.