Can someone explain the steps to solve this so i can graph it?
y = 2x + 3?

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?