1. Connie had 5 marbles. Jim gave her 8 more marbles. How many does Connie have all
together?

Connie has 13 marbles in total.

Step-by-step explanation:

5+8=13

Connie's 5 marbles + Jim's 8 marbles = 13 Total Marbles that Connie now has.

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value