there are 18 football teams in a league. Each team plays 2 matcjes against each of tye other team. work out the total numbers of matches played

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?