De los 6 ejercicios de tarea que dio el profesor de. Matemática, los alumnos deben elegir 3. ¿De cuántas maneras distintas puede quedar conformada la tarea? ¿Y si tuvieran que elegir 4?. Ayudaa pliss

Use addition and subtraction to simplify the following polynomials. a. add polynomials: (3 – 4x + 8x^2) + (–6 + 2x – 5x^2) step 1: rewrite the polynomials without the parentheses. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial. b. subtract polynomials: (3x – 5 – 7x^2) – (–2 + 6x^2 – 5x) step 1: rewrite the polynomials without the parentheses. remember to multiply each term in the second parentheses by –1. show your work. step 2: write the polynomial in descending order and use parentheses around like terms. step 3: add the like terms identified in step 2 to simplify the polynomial.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Tell whether the two rates form a proportion