A linear programming model is given as follows: Minimize 5:2x1 2:5x2 6:0x3 s:t: 3x1 2x2 2x3 1200 x1 x1 x2 x3 0:4 x2 x3 2x1 0:2 x1 x2 x3 x1; x2; x3 0 Solve the problem by using the computer. (a) What are the optimal objective function value and the optimal point

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

Sole the equation 6n + 9 = -3n - 21 - 6 for n

Which expression is equivalent to (5x^7+7x^8) − (4x^4−2x^8)? a. 9x^8 + 5x^7−4x^4 b. 3x^8 + 7x^7 c. 12x^8 − 2x^4 d. 5x^8 + 5x^7 + 4x^4