Help help help help help help please

Which statement is always true? a. square bcdf is a rectangle. b. rectangle gjkm is a square. c. quadrilateral stpr is a trapezoid. d. parallelogram abcd is a rhombus.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?