**giving brainliest** the concession stand sells hot dogs and soda during beck high school football games. john bought 6 hot dogs and 4 sodas and paid 10.50. jessica bought 4 hot dogs and 3 sodas and paid 7.25. what is the cost of one hotdog?

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !