Solve the system of equations. 19) y=4x-9

Enter an expression in expanded form that is equivalent to $(a+8)^{2}$ Enter answer

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 $

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.)