Graph the following function and identify the key features of the graph. h(x)=x^2+8x+7 PLEASE HELP ME

Which expression and diagram represent “renee biked four times as far this month as last month”?

Which geometric principle is used to justify the construction below?

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?