Algebra - Find the values of a and b that would make the quadrilateral a parallelogram.
Top left - 5b+6
Bottom left - 4a-8
Bottom right - 8a-10

Pls! does anybody know a shortcut for answering these types of questions in the future?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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.