Answer:
16.75 square cm
Step-by-step explanation:

Answer:
2n-4
Step-by-step explanation:
-n-2+3n-2 (here I distributed the negative to both parts)
2n-4 (gather the like terms)
Answer:
Step-by-step explanation:
500÷9=55.56miles/h (correct to 3 decimal places)
the area is 180 cm. to find the perimeter you would do 15+15+14+14 to get 54 cm. So for area you do (l×w) which is 15×14=180.