Multiply. −3y(5y^3+11y^2−y+8) express the answer in standard form. plz

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Simply 8x squared + 5(7x squared- x) - 2x =