Plant’s height this month: 20cm, plant’s height last month: 15cm what is the percent of increase?

What is the prime factorization of 230

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

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