Giving brainlest: ABCD is a curve, made up by line segments. AB=2cm, BC=4cm, CD=3cm.
Can AD be:
1) 1cm
2) 4cm
3) 10cm
I need good explanation for each one.
I don't speak English well. I hope u understood.

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?