Well if finding X you get 4,-7 when you simplify the whole equation you get that as well.
A mixed fraction... is made out of a whole number and a fraction. 3 7/10
Answer:
You have to multiply the number of miles by the amount of money per mile to figure out the cost of his journey.
Answer: option D
Step-by-step explanation:
The formulae for standard error = standard deviation/√n
But population standard deviation = 1.8 and sample size = n = 81
Standard error = 1.8/√81 = 1.8/9 = 0.2
