Please help me an thank you

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no