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
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.)
