Everyday at schooll, mookie walks up a stair case of 6 steps. he can take the stairs 1, 2, or 3 at a time. for example, he could climb 3, then 1, then 2. how many ways can mookie climb the stairs?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Which of the following is the correct solution to the linear inequality shown below? y< 1/2x-4