Divide 2 by 7 and turn into a fraction

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.