<em><u>The common difference d is </u></em>
<em><u>The first term is</u></em>
<em>so , the first term is -13 </em>
Answer:
2,3,4,5,13,20,25 or
2,4,16,20(even number)
3,5,13,25 (odd number)
Step-by-step explanation:
Answer:
The perimeter of the triangle is 
Step-by-step explanation:
Let

we know that
The perimeter of triangle is equal to

the formula to calculate the distance between two points is equal to
step 1
Find the distance AB

substitute in the formula
step 2
Find the distance BC

substitute in the formula
step 3
Find the distance AC

substitute in the formula
step 4
Find the perimeter

substitute the values

16.666666667 rounded to the nearest tenth is 16.7. Rounded to the nearest "tenth" means rounded to one decimal place.