Atelephone pole 12 feet tall casts a shadow of 16 feet when a person casts a shadow pf 6 feet. how tall is the person?

If 3x+8=3x+8 is it one solution or no solution

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle