Evy

how can I gather and evaluate information that is credible?

Evaluate this expression if x=-3, y=6, w=2 3x^3w^2+xy^2 why the answer is -432 ?

The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.

Evaluate 5a^2b-2ab+b^3 for a=3 and b=-1

The cost of renting a car for one day is $32 plus $.08 per mile. How much would it cost to rent a car for one day if the number of miles driven is 250?

The amount of pollution, A (in part per million), present in the air outside a factory on a recent weekday is represented by the equation A= -t^2+16t+6, where t is the number of hours after 7 AM. (a) find the Times (in radical form) when there were 42 par...

DrBob, that i already tried, and i t didn't help me get the right answer (yes, i filled in my own number).

the professor answer for the disk is $1.50 who's right?