2. For the same lengths, is the triangle acute, right, or obtuse? Segment lengths: 2, 10, and 11 (assume these are all in inches)
O acute
O right
O obtuse

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

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?