Out of the 350 students in the sixth grade 72% paid to go on the year end trip to great Adventure how many students paid to go to great adventure?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a