Camacho is buying a monster truck. The price of the truck is \( x \) dollars, and he also has to pay a \( 13 \% \) monster truck tax. Which of the following expressions could represent how much Camacho pays in total for the truck? Choose 2 answers: A \( (1+0.13) x \) B \( \frac{13}{100} x \) C \( 13 x \)

Identify the solutions of \( 3+4 \sqrt[3]{x^{2}-13}=-5 \). (1 point) \( \begin{array}{l}2 \sqrt{3},-2 \sqrt{3} \\ \sqrt{13},-\sqrt{13} \\ \sqrt{5},-\sqrt{5} \\ \sqrt{21},-\sqrt{21}\end{array} \)

Simplify. \[ \frac{9 x^{5} y^{4}}{45 x^{4} y^{2}} \]

Factorise fully the expression \( 7 t^{2}+2 t-9 \)

1. Realiza las siguientes multiplicaciones. a. \( \frac{2}{3} x \cdot\left(6 x^{2}-5 x+\frac{1}{2}\right) \) b. \( 5 a \cdot\left(3 a^{2}-2 a b+7 b^{2}\right) \) c. \( (4 m-2 n)(3 m+9 n) \) d. \( (8 x-3)\left(x^{2}-5 x+6\right) \)

Write the following in simplified radical form. \( \sqrt[3]{24 y^{11}} \)