Cuál es el valor de la siguiente expresión sabiendo que x=5 y c=-2

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

2/3(-6y+9x) expand each expression using the distributive property

Alina fully simplifies this polynomial and then writes it in standard form. xy2 – 2x2y + 3y3 – 6x2y + 4xy2 if alina wrote the last term as 3y3, which must be the first term of her polynomial in standard form? xy2 5xy2 –8x2y –2x2y