Write with a single exponent

Nine more than four times a number is the same as one less than twice the number. find the number?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000