4) there are 12 dogwood trees currently in the park. park workers will plant more
dogwood trees today. when the workers are finished there will be 58
dogwood trees in the park. how many dogwood trees did the workers plant today?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?