Find the 18th term of the arithmetic sequence whose common difference is d= 2 and whose first term is a1 = 4.

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.