Roxanne has already jarred 10 liters of jam and will jar an additional 3 liters of jam every day. How many days does Roxanne need to spend making jam if she wants to jar 16 liters
of jam in all?

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling