The following transactions were completed by the company. The following transactions were completed by the company.
The owner invested $16,200 cash in the company in exchange for its common stock.
The company purchased supplies for $800 cash.
The owner invested $10,600 of equipment in the company in exchange for more common stock.
The company purchased $260 of additional supplies on credit.
The company purchased land for $9,600 cash.

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

I’m stuck on this equation, anyone got the answer?