Arain gutter is to be constructed of aluminum sheets of 12 inches wide. after marking off a length of 4 inches from each edge, this length is bent up at an angle 0. the area of the opening may be expressed as the function a0= 16 sin0(cos0+1) if 0=30 what is the area of the opening?

Need santino bought a 3/4 pound bag of chocolate chips. he used 2/3 of the bag whule baking. how many pounds of chocolate chips did he use while baking?

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

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.