Ahelicopter is hovering over a landing pad 200 feet from where you are standing. the helicopters angle of elevation with the ground is 20 degrees. how far is the helicopter from the ground

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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 domain of the following expression: 1/(√x)-2