A floor measuring 2m by 1.5m is ro be covered with tiles measuring 25cm×25cm. find the numbee lf tiles required to cover the floor and the cost of the tiles at ruppees 420 per dozen

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Find the maximum value of p= 4x + 5y subject to the following constraints :

Collin did the work to see if 10 is a solution to the equation r/4=2.4