1. Which expressions are equivalent to 3z^2-48 Select TWO correct answers. A (z+4)(z-4) B 3(z+4)(z-4) 3(3z^2-16) D 3(z^2-48) E 3(z^2-16)
There are 50 students at a meeting. They each give out 45 Valentine's out How many different groups of people could they give out the cards.
11.) (-1)/(6) div (1)/(4)
Solve the following system of equations. 3x+2y-z=2 4x+3y+z=4 7x+5y=6
Which of the following describe (8)/(2) Select all that apply. real number rational number whole number integer
Factor the expression completely. 12x+30 Answer Attempt 1 out of 5 square
# underline ( )lim _(xarrow 4)((sqrt (x)-2)/(x-4))
1.30 A water system of 2 in. (inside diameter) pipe having a length of (1)/(4) mile, is to be flushed with a volume of water equal to twice that contained in the system. How much water (gallons) must be flushed through the system?
-5-(14x-1)lt 2(7x-16) A) xlt -1 the 4^th of July B) xgt -1 Friday night C) xgt 1 Halloween D) xlt 1 Valentine's Day E) xgt -4 the last day of school
x^-2 y((y^4)/(x^2)-(x^4)/(y^2))
Apply the distributive property to the expression. $100(0.07a+0.02b)=\square $
51. Find the volume of a pyramid with a square base, where the perimeter of the base is 15.8 ft and the height of the pyramid is 20.4 ft. Round your answer to the nearest tenth of a cubic foot.
4) $v^{1}=$ A) 0 B) 1 OC) v OD) $1/v$
What is the range of the function graphed above? $-\infty \lt y\leqslant 2$ $-\frac {3}{2}\leqslant y\lt \infty $ $-\infty \lt y\lt \infty $ $\{ 2\} $
2. You are inscribing a regular pentagon in a cIrcle. You need to know the angle measure between the vertices. You divide $360^{\circ }$ by what number? 3 s 6
Which equation represents a line that has a slope of $-\frac {1}{2}$ and passes through point $(4,-5)$ $y=-\frac {1}{2}x+\frac {3}{2}$ $y=-\frac {1}{2}x+\frac {13}{2}$ $y=-\frac {1}{2}x-7$ $y=-\frac {1}{2}x-3$
Smartphones: A poll agency reports that $38\% $ of teenagers aged $12-17$ own smartphones. A random sample of 120 teenagers is drawn. Round your answers to at least four decimal places as needed Part: 0/6 Part 1 of 6 (a) Find the mean $\mu _{\hat {p}}$ The mean $\mu _{\hat {p}}$ is 45.6000 Part: 1/6 Part 2 of 6 (b) Find the standard deviation $\sigma _{\hat {p}}$ The standard deviation $\sigma _{\hat {p}}$ is $\square $
1. If $x+3=7$ then x equals: A. 3 B. 4 C. 5 D. 10
Find the angle $\beta $ between $0^{\circ }$ and $180^{\circ }$ that satisfies the following equation. $21^{2}=20^{2}+29^{2}-(2)(20)(29)cos\beta $ $\beta \approx \square ^{\circ }$ (Round to one decimal place as needed.)
Solve the equation given by completing the square. $5x^{2}+20x-25=0$ [Hint: Divide by 5 first] $x=\square $
