PLEASE HELP ME I'LL MARK BRAINLIST Solve the following system of equations. SHOWING ALL STEPS.

5x-4y=-2

2x+4y=16

Use the \sqrt{x} button to show your math and steps. Also, a table might help you organize your work.

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .