7x^4 - 21x^2a^2 + x^2a^2 - 3a^4
7x^4 - 20x^2a^2 -3a^4
When lines are perpendicular, they slopes are opposite reciprocal. Opposite reciprocal means that the slope is flipped and then changed from negative to positive.
Answer:
Wassup katie
Step-by-step explanation:
y=8x+6
The answer would be about 65%. To find this you would take the number of square table cloths and divide it by the total. So you would do 55/84=0.654. I hope this helps :)