What is the percent by mass of 150g of KNO3 dissolved in 400g of solution?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x