Help me please please

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did