Hi ik no one would have any hope in my friend basically he got super sick .. and he said nothing would make him feel happier if yall don't help him with his subs .. his Yt is 999 splxsh if you do this i would give brainliest and appreciate you a lot :)

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

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

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).