Tomás earned $38.25 for cleaning the garage. He was paid $4.25 per hour. Write and solve an equation to find how many hours it took him to clean the garage. WRONG ANSWERS REPORTED
RIGHT ANSWERS GET BRAINLIEST

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Based on what i know about mean, this doesn't add up.

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.