For the high school’s production of "grease," 490 tickets were sold. The cost of a student ticket was $8, a pre-sale non-student ticket was $10, and a ticket at the door cost $12. The total income from ticket sales was $4600. The combined number of student and pre-sale tickets was 6 times more than the tickets sold at the door. Which system of equations could be used to determine the number of each type of ticket sold?.

Curriculum exam . 1 to reconcile your daily scanned checks (irds and personal checks) in the transaction report builder: o a. select today's date, select processed for the transaction status and change the account type to checking; click run report. o b. select today's date, select processed for the transaction status and change the origin of transaction to back office; click run report. o c. select today's date, select approved for the transaction status and change the origin of transaction to mailed in; click run report. o d. select the previous day's date, select approved for transaction status and change the origin of transaction to internet; click run report.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Why are gold and platinum used for jewelry