Which statement best describes a situation in which opposite quantities combine to make 0?

a.
a hot air balloon used propane to fly 50 feet higher, then used weights to fly 50 feet lower.

b.
a farmer mowed 5 inches off his grass one week, then it grew 4 inches the next week.

c.
a child grew 1.5 inches taller one year, then 1.5 inches taller the next year.

d.
a scuba diver swam to a location 25 feet below sea level, then she swam 8 feet deeper.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Going from point a to point b, the cheetah traveled at an average rate of 70 mph. returning to point a, the cheetah traveled at an average rate of 40 mph. can we say that this cheetah’s average rate was 55 mph? uchet write an equation for the average rate for the trip. remember, the cheetah runs from point a to point b and back to point a. first leg of trip: second leg of trip: ⦁ the following equation represents the average rate for the trip. is this equation equivalent to the one you wrote above? explain why or why not.