The total cost, y, of renting a party venue is a function of the number of people , , attending the party. The owner of the party venue charges a fixed cost of $850 plus \$10.75 a person. The maximum charge is $2355. What is the greatest value in the domain for this situation?

How do i work this problem out using the equation a=pe^rt

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Write the factored form of this trinomial 9x^2+18x-7