Select the correct answer. What is the solution to this equation? 9^x-1=2 A. 1 B. -(1)/(2) C. 2 D. (1)/(2)
25. What happens when alternate interior angles are congruent between two lines cut by a transversal? Lines are parallel Lines are skew Lines intersect Lines are perpendicular
Simplify (12y^7)/(18y^-3) Assume yneq 0 . (y^10)/(6) (2)/(3y^10) (2y^10)/(3)
Write 0.9 as a fraction. Do not try to simplify your answer. square
Find the range of the following set of numbers: 62,21,8,45,65,12,56 8 45 57 65
Perform the following operations on these complex numbers. 9(cos45^circ +isin45^circ )cdot 11(cos45^circ +isin45^circ ) [?](cossquare ^circ +isinsquare ^circ )
10. The manager of a food court estimates that he needs 7 pretzels for every 20 people who attend a hockey game What constant of proportionality relates the number of pretzels to people? A 0.35 B 2.86 C 35 D 140
68% of the normal distribution lies within __ standard deviation of the mean. one two three zero
26) -10(x-7)-7(x+2) 28) 9(7k+8)+3(k-10)
If x+7=10 , then x= 17 69 70 71 none of these
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.
Find the distance between the given points. $(-3,1)$ and $(12,37)$ $\square $