Please help explanation if possible

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

What value of x is in the solution set of 4x – 12 s 16 + 8x?

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