So i tried to answer this the best that i can but i keep getting wrong answers can someone me i will award brainliest .

What is the standard form of -5x^2+2x^4-11+x^3+3x

Find the maximum value of p= 4x + 5y subject to the following constraints :

Tatiana wants to give friendship bracelets to her 32 classmates. she already has 5 bracelets, and she can buy more bracelets in packages of 4. write an inequality to determine the number of packages, p, tatiana could buy to have enough bracelets.