At a certain computer company, for every 20 computers that pass inspection, 4 computers do not pass inspection. if it is known that 10 computers did pass inspection, how many computers did not pass inspection?
a. 2
b. 3
c. 4
d. 8

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

M? aoc=96 ? space, m, angle, a, o, c, equals, 96, degree \qquad m \angle boc = 8x - 67^\circm? boc=8x? 67 ? space, m, angle, b, o, c, equals, 8, x, minus, 67, degree \qquad m \angle aob = 9x - 75^\circm? aob=9x? 75 ? space, m, angle, a, o, b, equals, 9, x, minus, 75, degree find m\angle bocm? bocm, angle, b, o, c: