How do you solve - 2x+y=4 with (1,2)

Tanya bought two adult tickets and one children's ticket to a movie for $15.90. Li bought four adult tickets and four children's tickets for $38.40. Find the cost of one adult ticket and the cost of one children's ticket.

What is the difference of 2 - (-2)

How does x - 7 > - 2 go to x > 9

Which fruit is orange

Use numbers 4 2 and 6 to make an equation equaling 7

What is 8 minus the quotient of 15 and y

What is the mean of 240?

Out of 100 cars on a used car lot, 20 cars have manual transmissions, 50 cars have air conditioning, and 8 cars have both.

Nancy and Harry are sliding a stone statue and moving it to a new location in their garden. Nancy is pushing the statue with a force of 120N at a 60° angle to the horizontal and Harry is pulling the statue with a force of 180N at a 40° angle with

If kendal payed $2,500 down and $150 each month for dealer one and at another dealer paid $3,000 down and $125 each month after how many months does she pay the same amount to both dealers