Which expression represents the number rewritten in a+ bi form?

Let w=23 . what is the value of w + 45 ?

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm