Evaluate the following algebraic expression at x=-3,y=-7,z=3 and simplify your answer. (x+y)^2-6z
Use properties of rational numbers to simplify the expression. 55+19.21+37.96 A. 111.16 B. 111.17 C. 112.17 D. 113.27
Solve for y. -3(y+1)=y-4+2(4y+2) Simplify your answer as much as possible. y= square
5) 8x+8y+8z=144 5x+5y+z=62 -9x-9y+8z=-43
What are the two solutions of x^2+49=0 x=square
15) g(t)=4t+4 f(t)=t^2+2t Find (g-f)(8)
9) f(x)=2x+5 g(x)=2x+3 Find (f+g)(x)
2. Which of the powers below would yield the largest answer? A. 1^10 B. 5^3 C. 3^4 D. 10^2
A shop has 60 new Batman comic books in stock.If the shop sells 45 books what percent does it sell?
Combine any like terms in the expression. If there are no like terms, rewrite the expression. 3q^3r+9t^2 square
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 $