What is the value of 1 x ÷ 5, when x = 80?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

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

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b