I need help ASAP (get brainliest)

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

What is r i 4.5+10r=-6.5 with work pls

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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