Which expression is equivalent to the given polynomial expression? (-4a^2 – 3b) + (-2ab – a^2 + b^2) + (-b^2+6ab)

Use the distributive law to multiply. 3(4x + 5y + 6)

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?