Answer:
12
Step-by-step explanation:
4 times 1 is 4 time .25 is 1 times 2 is 2 times the heigh is 12
A parallelogram is a polygon that has opposite side parallel and congruent. If you already know that two of the side lengths is 8 cm and 9 cm, the other two sides will also be 8 cm and 9 cm because it has 2 pairs of congruent sides. 8+8+9+9=34 cm for the perimeter.
Answer:
3
Step-by-step explanation:
Step-by-step explanation:

3(x2+2x-3)-4(4x2-7x+5)
3x2 + 6x - 9 - 16x2 + 28x - 20
-13x2 + 34x - 29