Evaluate 1. 3a - 4c + b - 2d
2. -a +2b - 3c - 3d
3. 3a - 6b + 2c -2d
4. -4a + 2b + c -2d
Pls help 40 points if you answer correctly and show me how you did it!

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

Evan went to the park and saw for animals each animal was either a duck or dog if he saw a total of 14 legs how many of each animal did he see

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