3√27 + √9 the answer for this question

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?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29