I need the formula and height of a cone with the radius of r=4cm and a volume of V= 1/3 r2h

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

How many 3/8s are in 6 plz someone tell me now

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)