Me ayudan porfis con esta pregunta. Desafío: Identifica fundamentando cuál de las dos alternativas es un resultado de unCuadrada
de Binomio: (2 puntos cada uno, total 4 puntos)
a) 25x2 + 22xy + 16y2=
b) 9x2 + 16xy + 25x2=​

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?

What is an equation of the line that is perpendicular to y=-x+3 and passes through the point (4, 12)? enter your equation in the box. basic