Please help! The pilot of an airplane calculates that the angler of depression to a distant flashing beacon on the ground ahead is 40 degrees. The pilot of a second airplane flying 600ft above the first calculates the angle of depression to the same beacon to be 65 degrees. What is the altitude of the first airplane?

Find the area of the regular hexagon if a side is 20 cm.

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

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.