Which statements include two quantities in the real world that are additive inverses? Select each correct answer.

A helium atom has 2 positively charged protons and 2 negatively charged electrons.

Gabriella charges $300 on her credit card and then pays the $300 credit card bill.

A scuba diver descends 40 m from sea level and then descends another 10 m.

Mia walked 5 mi north and then walked 5 mi west.

answer: slight chance that it will happen

step-by-step explanation:

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

hope this ! ^w^

your answer is 228

step-by-step explanation:

add the top and bottom bases together, then divide them by 2, then multiply by the height.