What is the value of the expression -9(2.2)?

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

How many zeros does this polynomial function, y=(x-8)(x+3)^2

Write the equation of the circle centered at (10,-2) with radius 2.