Which of the following two-dimensional shapes can be rotated to create a sphere?
triangle
square
circle
ellipse

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points