Use cramer’s rule to solve the following system.

x + y = 7
x - y = 3

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Which expression and diagram represent “renee biked four times as far this month as last month”?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me