Which of the following phrases translates to m - 7?

the difference between seven and a number
seven minus a number
a number decreased by seven
a number subtracted from seven

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?