WILL MARK YOU BRAINLIEST

What signals you that factoring by grouping is the best method to use when factoring a problem?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28