Sage and Richard go for a ski. They ski 2\3km one day and2\3km the next day.
How far did they ski in total?
Do not reduce your answer to the lowest terms

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

What is the length of the unknown leg in the right triangle ?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1