H(1)=-6 h(2)= 20 h(n)= h(n-2)+h(n-1) What is the value of h(3)?

Which of the following is the rational exponent expression of 6 root f

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm