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
Part 7:Statistics 19. Find the mean (average) of the following numbers: $72,80,88,90,70$ Answer: __
18. A number cube $(1-6)$ is rolled. What is the probability of rolling an even number? Answer: __
Factor the polynomial below. $36x^{2}-25$ Cannot be factored $(6x+5)(5x-6)$ $(6x-5)^{2}$ $(6x+5)(6x-5)$
$3x(6x^{2}-4xy^{2})+8x^{2}y^{2}-2y^{3}$
15. A rectangle has a length of 14 m and a width of 9 m. What is the perimeter? Answer: __
The sum of three consecutive numbers is 309 . What is the smallest of the three numbers?
Identify the focus of each. 31) $y-6=(x-4)^{2}$ 32) $\frac {1}{2}(x+2)=(y+9)^{2}$ 33) $x^{2}+4x+4y+4=0$ 34) $2x^{2}-24x+y+70=0$
Which is the product $(3x-5)(3x+5)$ in general form? $9x^{2}+25$ $9x^{2}-25$ $9x^{2}+15x-25$ $9x^{2}-15x-25$
Find the value of the expression $(t^{3}\div 4+s)\div 7$ for $s=19$ and $t=2$ $\square $
How would you write this expression using the values for a and b? $9(18)\div 10$ $9+18\div 10$ $10(18)\div 9$ $10+18\div 9$
