Ratio to peanuts to chocolate chips in a trail mix is 7 to 4. If there are 28 chocolate chips how many peanuts are there?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?