Which of the following is equal to 3m – 4n+5m+3n

Ineed or else im in trouble need a random sample of 240 park users were asked if they go to the park more often on weekdays or on the weekend. the results are shown in the table. weekdays weekend male (50) (10) female (150) (30) based on the data in the table, select correct or incorrect for each statement. correct or incorrect 1.the males go to the park more often on the weekend. 2.the females go to the park more often on weekdays. 3.for the participants in the survey, gender affects which days of the week a person goes to the park.

How do i do this? i don’t understand

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3