The curve y=fx is rotated about the x axis to form a solid the volume of this solid is 0.5pi(a-2sinacosa) for the limit of 0<x<a , find the value of a? I will give brainilest answer and 20 points to the right answer ❤

The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Full year - williamshow many square inches are in 60 square feet? 5 square inches72 square inches720 square inche8.640 square inches