(HELP THIS IS JUST THE LAST QUESTION!!) (GET 18 POINTS TOO!) A pencil has a density of 0.875 g/cm3. it has a volume of 4.0cm3. what is the mass?​

The sum of two numbers is 86, and their difference is 20. find the two numbers

What is the area of the shaded sector?

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: