Factorise
a) 2ax + 6ay

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

Lowest fraction using common term 28/35

Mr. mole left his burrow and started digging his way down. a(t) models mr. mole's altitude relative to the ground (in meters) after t minutes. a(t)=-2.3t-7 how fast did mr. mole descend?