The diagram shows a model of a nuclear change. An illustration of a nuclear reactor. There are 3 parallel lines sticking half out of the reactor labeled rods containing uranium. There are parallel rods in the reactor labeled neutron-absorbing material. It is labeled nuclear reactor.

Which nuclear process does the model illustrate?

nuclear fission, because nuclei combine
nuclear fission, because a nucleus breaks apart
nuclear fusion, because nuclei combine
nuclear fusion, because a nucleus breaks apart

your question is incomplete, write all the numbers in the sequence that it tells you.  

step-by-step explanation:

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

p

step-by-step explanation:

5 feet of chain cost $9

so the answer is 1.80