Glenda plans to paint her bedroom, and she is mixing paint to create the right color. She starts with a white base paint and pours in some blue paint. Right now, her mixing bucket contains 5 quarts of paint,
with a concentration of 20% blue paint. Glenda wants to increase the blue paint concentration to at least
30%, but less than 35%.
Which inequality should Glenda use to find the number of quarts of blue paint she should add?

What is an alternate exterior angle

Can someone me do math because i am having a breakdown rn because i don’t get it

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