(2x - y + 3) (2x - y - 3)using identities ​

Find dy/dx using implicit differentiation ln(20+e^xy)=y

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830

Negative 5 1/12 + negative 4 1/4 + 6 3/4