Answer:
I think 2. is A i dont know the other two
Step-by-step explanation:
Lets x = Mary's age
Emily is there years older than twice her sister Mary's age = 2x + 3
Sum of both is less than 30:
x + 2x + 3 < 30
Solve for x
3x + 3 < 30
3x < 27
x < 9
Mary's age = 9
Inequality represents Mary's possible age:
0 < x < 9
Answer is the second one
0 < x < 9
If the perimeter of a regular octangulo is 96cm when it measures each side?
16.425
16.450
16.475
16.4_________16.425__________16.45__________16.475__________16.5
Its the ones place value I hope that helped