7a)
If n is the amount of sides then there's 38 sides in a polygon with 665 diagonals
7b)
We do the same as 7a) but with 406. We get that 
and 
. A polygon cant have 30.04 sides
Answer:
3678900 is the answer of the organs for food
Step-by-step explanation:
mark me BRAINLIEST
Answer:
20%
Step-by-step explanation:
Cars that are less than 19 mpg : 16, 18
2 cars have less than 19 mpg.
2/10 cars have less than 19 mpg.
To change fraction to percentage :
divide the numerator by the denominator, then multiply the decimal by 100
2/10 = 0.2
0.2*100 = 20
20%
Your answer is of those who excercise 3 or more times per week, about 46% usually excersise outdoors and about 54% usually excercise in a gym.
hope I helped have a great day!!
