Cubed shapes boxes like the figure shown are used for gifts find the surface area to figure out how much wrapping is needed to wrap one gift. One box needs _ in2 of wrapping paper. ( ROUND TO NEAREST SQUARE INCH) !!! Please help like ASAP

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Hich equation can pair with x + 2y = 5 to create an inconsistent system? 2x + 4y = 3 5x + 2y = 3 6x + 12y = 30 3x + 4y = 8