Which equation can be used to represent "six added to twice the sum of a number and four is equal to one-half of the difference of three and the number"?
6+2(x+4)=1/2(3-x)
6+2(x+4)=1/2(x-3)
(6+2)(x+4)=1/2(3-x)
(6+2)(x+4)=1/2(x-3)

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)