Given: -4 - (-7), use this expression and the idea of a balloon model to describe what happens to the hot air balloon. a. Where does the balloon start?

b. Do you add or subtract something from the balloon?

c. What do you add or subtract from the balloon?

d. Where does the balloon end up?

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

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )