Select the option that shows the method to find the absolute value of a signed number. Choose the correct answer below. A. First locate the signed number on the number line and then count the number of units it is away from -1 B. First locate the signed number on the number line and then count the number of units it is away from 0. C. First locate the signed number on the number line and then count the number of units it is away from 1.

Simplify the Rational Expression $\frac {x^{2}-9}{x^{2}+x-6}$

7. A fair six-sided die is rolled. What are the odds of getting a 3 or higher. Leave your answer as a reduced fraction. $\square $

Find $(2(cos\frac {2\pi }{3}+isin\frac {2\pi }{3}))^{5}$ $-16-16i\sqrt {3}$ $16+16i\sqrt {3}$ $16\sqrt {3}+16i$ $-16\sqrt {3}-16i$

Convert into a complex number: $2(cos\frac {4\pi }{3}+isin\frac {4\pi }{3})$ $-\sqrt {3}-i$ $\sqrt {3}-i$ $-1-i\sqrt {3}$ $1+i\sqrt {3}$

Convert into a polar coordinate: $2\sqrt {3}-2i$ $(4,\frac {7\pi }{6})$ $(-4,\frac {11\pi }{6})$ $(-4,\frac {5\pi }{6})$ $(4,\frac {\pi }{6})$

10. Simplify the expression. $\sqrt {125t^{4}r^{3}s^{13}}$

1. What is the simplified form of $-\sqrt {(y+5)^{16}}$ A. $(y+5)^{8}$ B. $-(y+5)^{8}$ C. $(y+5)^{4}$ D. $-(y+5)^{4}$

Which quadrilateral does not have diagonals that are perpendicular? Rectangle Rhombus Square

Simplify the following expression completely. $\frac {x^{2}-14x+45}{x^{2}-18x+81}$

What is the measure of an exterior angle in a regular 15-gon? Write your answer as an integer or as a decimal rounded to the nearest tenth.