The 1/48 scale model of the building stood is 11 inches high. what was the height of the actual building

Reflect the point (7,0) across the y-axis

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?

Consider the first four terms of the sequence below. what is the 8th term of this sequence?