Evaluate each expression. Name the property used in each step. 10. 3(22-3cdot 7) 11 [3div (2cdot 1)](2)/(3) 12. 2(3cdot 2-5)+3cdot (1)/(3) 13. 2[5-(15div 3)] 14. 6+9[10-2(2+3)] (15.) 2(6div 3-1)cdot (1)/(2)
7. You are researching the price of MP3 players. You found an average price of 58.80 One MP3 player costs 56 and another costs 62 Find the price of the third MP3 player.
Multiply. (w+8)(w-3) Simplify your answer. square
Resolver para w. 5w-12=83 Reducir la respuesta tanto como sea posible. w= square
What is the standard deviation of this data set? 0,1,2,2,3,3,3,4,4,5,6
What is the standard error of this data set? 0,1,2,2,3,3,3,4,4,5,6
Apply the distributive property to create on equivalent expression. (2-8y)(-4.5)=
Solve the formula for C Profit: P=R-C C= square
7. Rewrite by completing the square. (a) x^2+x+1 (b) 2x^2-12x+11
Solve the equation. 3n+12=30 n= square
Claire earned $\$ 540$ last summer babysitting . She put the money in a savings account earning $2.5\% $ simple interest. How much interest will she earn in 6 months?
What is this fraction as a mixed number? $\frac {10}{7}$ $\frac {3}{10}$ $\frac {7}{10}$ $1\frac {3}{7}$ $3\frac {1}{7}$
Factor the trinomial of the form $x^{2}+bxy+cy^{2}$ $x^{2}+10xy+16y^{2}=\square $
$-\frac {6}{3}-- \frac {1}{3}-- \frac {4}{3}$
33. True or False. a. The value of $-x3-4x2+7$ is $-2$ when $x=-3$
Find the slope of the line. $2x+y=-6$ $m=2$ $m=-\frac {1}{3}$ $m=-2$ $m=-\frac {1}{2}$
Find the slope of given points $A(-2,5)$ and $B(4,-7)$ $Slope\quad AB=\square $
Solve the system of equations. 19) $y=4x-9$
Express in simplest form: $\frac {x^{2}+3x-28}{x^{2}-16}\div \frac {3x-6}{x^{2}+2x-8}$ (1 point) The simplest form is $\square $
Write the polynomial expression in simplest form: $\frac {5x-20}{x^{2}-9}\cdot \frac {x^{2}+12x+27}{x^{2}+2x-24}$ (1 point) The simplified form is $\square $ (Keep answer in factored form.) What are the restrictions on the variable? $\square $ (Type only the numbers and separate your answers with commas, if needed.)
