María compra un abrigo que tenía un precio de 100 euros, que está rebajado en un 70%, y le cobran un iva del 14%. ¿Cuánto dinero pagó por el abrigo?

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?