Students arrive at the dance in parties of 2. 4 students leave the dance early. If y is the number of students left at the dance, and x is the number of groups that have arrived, then y = 2x - 4. Complete the table for the equation y= 2x - 4.

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.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?