A submarine was situated 642 feet below sea level. If it ascends 250 feet, what is its new position? *
- 392 feet
- 892 feet
392 feet
892 feet
Anyone know the answer???

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.