The length of the rectangle is 4 times the height. the area of the triangle is 63 cm2. find the width. round to the nearest tenth of an inch

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

How do you use the elimination method for this question? explain, because i really want to understand!

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h