True or false: every point in quadrant iii is mapped to a point in quadrant iv

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

Evaluate the expression for the given value of the variable. | ? 4 b ? 8 | + ? ? ? 1 ? b 2 ? ? + 2 b 3 -4b-8+-1-b2+2b3 ; b = ? 2 b=-2

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.