Two angles of a triangle measure 55° and 20°. What is the measure of the third angle of the triangle?
A. 15°
B. 90°
C. 105°
D. 2850

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.