Earth is A. a totally closed system.
B. a totally open system.
C. an open system for energy, closed system for
matter.
D. an open system for matter, closed system for
energy.

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)