How much fabric do i need for 30 inch x 30 inch chair cushion?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?