Find all solutions in the interval [0, 2π).

4 sin^2 x - 4 sin x + 1 = 0

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

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y