Answer:2m-10
Step-by-step explanation:
Daniela made her error on step 3 because it says:
"Find the ratio of the differences of the means compared to the mean absolute deviation.
She didn't find the difference between the today and last week means. She just put the mean as a whole.
Answer: Subtract 18 on both sides is wrong. Its supposed to be add 18 on both sides.
Step-by-step explanation:
Answer:
the unit price is $1.10
Step-by-step explanation:
Answer:

Step-by-step explanation:
When two or more quantities have the same exponents, their bases can be multiplied together.