The smaller triangle is the image of the bigger triangle after a sequence of transformations. What is the value of x?

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

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?