Line can be used as a tool to: Select an Answer A. demarcate boundaries B. imply direction C. define shapes D. all of the other answers

Factor completely: $3x^{2}+8x+4$ $\square $

Simplify the following expression. $(4-17i)-(1-15i)$ $\square $

Select three ratios that are equivalent to $5:2$ Choose 3 answers: A $2:5$ B $10:4$ C $20:50$ D $35:14$ E $55:22$

A square has an area of 49 sq cm. What is the side of the square? 5cm 6cm 6.5 cm 7 cm

For the given functions f and g, complete parts $(a)-(h)$ For parts $(a)-(d)$ also find the domain $f(x)=\frac {5x+8}{8x-5};g(x)=\frac {8x}{8x-5}$ (f) Find $(f-g)(2)$ $(f-g)(2)=\frac {2}{11}$ (Type an integer or a simplified fraction.) (g) Find $(f\cdot g)(1)$ $(f\cdot g)(1)=\frac {104}{9}$ (Type an integer or a simplified fraction.) (h) Find $(\frac {f}{g})(4)$ $(\frac {f}{g})(4)=\square $ (Type an integer or a simplified fraction.)

Factor the expression completely: (3 Points) $81x^{2}-64$ Enter your math answer

Which ordered pair $(p,r)$ is the solution to the given syst $\{ \begin{matrix} 5p-3r=1\\ 8p+6r=4\end{matrix} $ $(-1,-2)$ $(-2,-1)$ $(\frac {2}{9},\frac {1}{3})$ $(\frac {1}{3},\frac {2}{9})$

Evaluate. $-\frac {5}{8}-(-\frac {1}{6})$ Write your answer in simplest form. $\square $

A video game costs $\$ 60$ today.If the inflation rate is $4.75\% $ and is compounded continuously how much will this same video game cost in 5 years?

(4 pts) 8) Find the equation of the tangent line to the parametric curve $\{ \begin{matrix} x=tcost\\ y=tsint\end{matrix} $ when $t=\frac {\pi }{2}$