Show y’all work please Y’all please help me with this I don’t understand

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?