Marking as brainilists

a high school class wants to make at least $1500 by hosting a dance. the class knows that they will make $500 in refreshments.

part a: if the class sells tickets for $5 each, write an equation that could be used to determine the number of tickets, n, the class would need to sell in order to make at least $1500. explain your reasoning.

part b: determine the minimum number of tickets that the class would need to sell in order to make at least $1500.

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

How do you determine whether a relationship represented as as graph is linear or nonlinear

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).