Question 7 A street light is at the top of a 13 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 5 \( \mathrm{ft} / \mathrm{sec} \) along a straight path. How fast is the tip of her shadow moving when she is 30 ft from the base of the pole?

Escriba en lenguaje castellano \( 2 x+3=40 \) \( \frac{x}{2}-3=50 \) \( 3 x+500=24-3 \) \( \frac{x}{3}-50=\frac{4}{3}+50 \)

1) \( \begin{aligned} 100-7^{2}+17-25 & =100-\square \text { Simplify the expression using the order of operations. } \\ & =\square+17-25 \\ & =\square+17-25 \\ & =\square-25\end{aligned} \)

3. "The holiday went underground in middle school" What does the word UNDERGROUND" means in the sentence. A disappeared B low keyed C secret D buried

re is having a storewide \( 1 / 4 \) off sale. What is the amount saved on an ite \( \$ 7.25 \) ?

Find the marginal average cost function if cost and revenue are given by \( C(x)=167+2.7 x \) and \( R(x)=8 x-0.09 x^{2} \). The marginal average cost function is \( \overline{\mathrm{C}}^{\prime}(x)= \) \( \square \)