25 percent of what number is equal to 5? 20 5 50 40
For Exercises 19-20 , identify which expression has the greater value. 17. 3+4cdot 2 (3+4)cdot 2 18. 12div 6cdot 2 12div (6cdot 2)
Write the fraction (35)/(49) in simplest form. square
Simplify. Write your answer using whole numbers and variables. (r^2-15r+36)/(r-12) square
Solve for v. v+3.1=9.61 v= square
Perform the indicated computation . Write the answer in scientific notation. (15times 10^5)/(3times 10^-2) 5times 10^7 10times 10^7 10times 10^3 5times 10^3
Solve the equation. -12+21=-3(x+4) x= square
. If f(24)=27 and f is one-to -one, what is f^-1(27) f^-1(27)= square
Put these numbers in order from greatest to least. 1.4 40.1 14 0.041 4.1
Expand and simplify using the perfect square expansion rule (a+b)^2=a^2+2ab+b^2 (3x-8)^2 9x^2-24x+64 9x^2+48x+8 9x^2-48x+64 9x^2+64 9x^2-64
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? $9(18)\div 10$ $9+18\div 10$ $10(18)\div 9$ $10+18\div 9$
