What number should be added to 77 to make the sum 0?

a.77
b.-77
c.0
d.76
pls give the right one

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1