For every 12 boys at the music camp, there are 18 girls. which is the correct ratio of girls to total number of campers?
a.18 to 12
b.12 to 30
c.3: 2
d.3: 5

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

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

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?