Please answer this correctly

44 4/9

Step-by-step explanation:

The perimeter is the sum of all the sides

10 1/6 + 12 1/18 + 10 1/6 + 12 1/18

Add up the whole numbers

10+12+10+12 = 44

Add up the fractions

1/6+ 1/18+1/6+1/18

2/6 + 2/18

1/3 + 1/9

Get a common denominator

1/3*3/3+ 1/9

3/9+1/9

4/9

Put them back together

44 4/9

15.5

step-by-step explanation:

5

∑

n = 1

substitute n = 1, 2, 3, 4, 5 and sum the terms

= + + + 2² + 2³

= 0.5 + 1 + 2 + 4 + 8

= 15.5

robert puts 2 in each row