What is the volume of a cone with a radius of 4 centimeters and a height of 10 centimeters

What is the value of x in the this question ?

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

Solve 13 + w/7= -18 (w/7 is a fraction)