the profit, p dollars, earned by a company producing spy cameras is approximated to be p=-25x^2+1600x-3600 , where x dollars is the selling price of one spy camera. what selling price gives the maximum profit?
$64
$16
$25
$32

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Multiplying fractions by whole number 5 x 1/3=?