encontrar la base y la altura de un rectangulo si su perimetro es de 50 cm y sabemos que la altura es el doble de la base menos 20cm

What is the equation of the graph below? y=sec(x)-4

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Acompany charges $0.10 for each letter engraved. bobby plans to spend no more than $5.00 on the engraving on a jewelry box. write and solve an inequality to find the maximum number of letters he can have engraved.