Simplify:
(7b^4)(-9b^2)

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5