If l ||m and m∠6 = 4 x - 15 and m∠7 = x + 30, then m∠6 =

Which of the following is the rational exponent expression of 6 root f

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.