Surface area question need for tomorrow please help and text me in private if you can do more with me to help me understand

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.