1 point The yield of corn in bushels per acre and the amount of rain in the growing season.

5. Identificar qué tipo de caso de producto notable es y resolver el ejercicio. a) \( \left(4 a^{2}+2 a\right)\left(4 a^{2}-2 a\right) \) b) \( (5 a-4 b)^{2} \) c) \( \left(2 a^{2}+4 b^{3}\right)^{3} \) d) \( \left(5 m^{2} n^{3}+3 m n\right)\left(5 m^{2} n^{3}-3 m n\right) \) e) \( (3 a+2)(3 a-5) \) f) \( \left(5 s^{3} t^{2}+7\right)\left(5 s^{3} t^{2}+3\right) \) g) \( \left(2 m^{4} n^{2}-m^{3} n^{5}\right)^{3} \) h) \( \left(4 a^{2} b^{3}+2 a^{3} b^{2}\right)\left(4 a^{2} b^{3}-2 a^{3} b^{2}\right) \) i) \( \left(4 a^{4} b^{3}+7 a^{2} c^{3}\right)^{2} \) j) \( \left(5 f^{3} g^{2} h^{3}+9\right)\left(5 f^{3} g^{2} h^{3}-9\right) \)

Which numbers below belong to the solution set of the inequality? Check all that apply. \( 9 x \leq 72 \)

Question Put the following equation of a line into slope-intercept form, simplifying all fractions. \[ 2 x-12 y=12 \] Answer Athenpt 1 out of 2

A department store buys 400 shirts at a cost of \( \$ 4,800 \) and sells them at a selling price of \( \$ 20 \) each. Find the percent markup. Q The percent markup is \( \square \% \). (Round to the nearest whole number as needed.) Q

La derivada de la función \( f(x)=\frac{x^{2}-3 x}{x^{2}-9} \) es: