Yara multiplies and divides a certain number by the same
power of 10. the product she gets is 40,000 and the
quotient she gets is 0.4. find yara's number and
the power of 10 she used. explain your reasoning.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

State one method by which you can recognize a perfect square trinomial.