Ten less than 5 times the value of a number is equal to 10 times the quantity of 12 more than one-fourth of the number. If a is the number, what is the value of a?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?