Given the solid steel ball of radius 11 inches, and steel has a density of 0.28 pound per cubic inch. To the nearest pound, what is the mass of the ball? A) 10
B) 106
C) 142
D) 520
E) 1561​

or

4y - 6 + y^2 - 9 = y^2 + 4y - 15

y^2 term

terms

- terms

total of 3 terms when simplified

step-by-step explanation:

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer