Dustin says that fgh is an equilateral triangle because the sides appear to be the same length. is his reasoning valid? explain

Which of the following expressions is equal to 2x^2+8

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.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply