Estimate the fractional part of the shaded portions below. explain how you decided

Write the expression 7x^3-28xy^2 as the product of 3 factors

What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?