10) A box of crayons includes 4 black crayons and 10 colored crayons. What
percent of the crayons in the box are colored
crayons?

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

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.

14+2 (56-1) this is an arithmetic sequence