60ft
Because the formula for a regular polygon is A=1/2(apothem)(perimeter). So first you would do is 1/2 times 4 which equals 4/2. 4/2 times 30 is 60, so 60 is the area.
Answer: x=6 y=6
Step-by-step explanation:

Since the right parts of the equation are equal, therefore the left parts of the equation are also equal:

Divide both parts of the equation by 2:

Answer:
220 miles
Step-by-step explanation:
.18m + 11d = 61.60
d = 2
.18m + 22 = 61.60
Subtract 22 from both sides
.18m = 39.60
Divide both sides by .18
m = 220
Answer:
B
Step-by-step explanation: