0.9 + 0.02 + 0.004 is the expanded form of 0.924, it is just taking apart each place in the number.
Answer:
the minimum length of the first piece is 4 feet
Is it an isosceles triangle
2 solutions. This is because the parabola will cross the x axis twice. We know this because -5 means the vertex will be 5 units below the x axis. and the parabola opens upwards because the first coefficient is positive. Hope this helped :)
9n is the answer to this question
