How many is
x + 54 = 987? Pls step by step

What signals you that factoring by grouping is the best method to use when factoring a problem?

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.

Find the area of the triangle shown 3 by 6