A student uses square tiles measuring 1 inch on each side to find the area of the rectangle. Her reasoning is shown. “I covered the top and bottom edges of the rectangle with 7 tiles each”
*shows diagram*
“I then covered the left and right edges with 3 tiles each. I added up all the tiles I used to get a total area of 20 square inches. 7+7+3+3=20
*Shows second diagram*
Identify the two errors in the students reasoning and describe how to correctly use square tiles to find the area of the rectangle. Give the correct area of the rectangle.

For a school newspaper article, cienna conducted a survey to find out students’ favorite subjects. she polled all the students in mrs. lopez’s advanced dance class. why is her data likely to be skewed? honors dance students are more likely to enjoy dance than students in the general population, so dance may be overrepresented. cienna should have interviewed all the students in the school to get more accurate data. honors dance students are more likely to enjoy dance than students in the general population, so dance will be underrepresented. cienna should have interviewed only every other student in the class to avoid having too many people.

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?