My brother is 6ft tall How tall is he in centimeters ​

Place the following steps in order to complete the square and solve the quadratic equation,

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save