The metro theater has 20 rows of seats with 18 seats i each row. ticket cost $5. the theater's income in dollars if all seat are sold is (20 x 18)x 5. use properties to find the total income.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.