The perimeter of the triangle is 70 cm.
The area of the triangle is A cm².
Work out the value of A.

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

An appliance store sells lamps at $95.00 for two. a department store sells similar lamps at 5 for $250.00. which store sells at a better rate

Find the slope of the line passing through a pair of points