Evaluate the expression when y = 6 and x = 9
x+7y
NEED it AS an EQUATION

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?