12) the pilot of an airplane flying at an elevation of 4000 feet sights a trees that
below him. if he is 10,000 feet from the tree, determine the angle of depression to the base
of the tree.
a 40.6°
b 63.6°
c 80.6°
d 23.6°

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?