Write fraction in simplest form (a) -4.2÷12 & (b) -2/7÷ -8/21

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

The sum of two numbers is 86, and their difference is 20. find the two numbers

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