Isabel wrote the equation 1/2+1/6=4/6and Jonah wrote 3/6+1/6=4/6 to represent combining the pie pieces. EXPLAIN WHY BOTH EQUATIONS ARE CORRECT ​

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

Ineed me i stuck and i don’t want to get it wrong

Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?