IGNORE EVERYTHING BUT THE EQUATION WHOEVER ANSWERS FIRST GETS BRAINIEST ANSWER

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

What is the mean of the data set 125, 141, 213, 155, 281

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?