Decompose (x+3)^2/(x^2+1)(x+3)

Classify each polynomial by its degree and by its number of terms.

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

Which best explains why this triangle is or is not a right triangle?