Moira simplifies the expression 6y4+3y4 to 9y8 . use the drop-down menus to complete the statements below to explain why moira's solution is correct or incorrect.

Moira's solution is not correct. The correct solution is

Step-by-step explanation:

Given :

To simplify :

Solution : when we solve the given equation

Adding two like terms or similar terms

The moira's solution is not correct because moira use multiplication rule not addition rule.

⇒

Therefore, correct solution is

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

i think c. but don't trust it.

step-by-step explanation: