A cMetal wir 40 cm long is cut into two and each price is bent from a square. If the sum of their area is \( 58 \mathrm{~cm}^{2} \). how long is each piece?

d. La mitad de un número más su doble

Use the Leading Coefficient Test to determine the end behavior of the polynomial function. 7) \( f(x)=-x^{2}(x+1)(x+3) \)

\( \int t \cos w t + \int x \tan w t + \pi ^ { 2 } \)

4. ABCD is a rectangle in which diagonal AC bisects \( \angle \mathrm{A} \) as well as \( \angle \mathrm{C} \). Show that: (i) ABCD is a square (ii) diagonal BD bisects \( \angle \mathrm{B} \) as well as \( \angle \mathrm{D} \).

5. The cubic equation \( 2 z^{3}+p z^{2}+q z+r=0 \) has roots \( \frac{\alpha}{k}, \alpha, k \alpha \). (iii) Solve the equation for the case where \( p=q=-3 \).