Derek spent a total 17 2/3 hours completing homework for 9 night he spent about the same amount of time completing homework each night about how much time did derrick spend on homework each night

How many zeros does the function f(x)=4x3-x2+1 have

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.