Which estimation technique will yield a solution that is closest to the actual product of (–21.06)(–30.45)?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Which of the following is true for the relation f(x)=2x^2+1

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.