Which expression is equivalent to 9x – (x – 8)(x + 1) + 10x?

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

If there are 3.281 feet in 1 meter, how many inches are in one centimeter