Astudent and a professor each choose a number between 1 and 9 (1 and 9 are both possible choices). what is the probability that the two choose the same number?

Which of the following expressions is equal to 2x^2+8

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never