Darian wants to build a regulation-size pool table that is 9 feet in length. the plan he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build the regulation pool table?

The system of equations graphed below has how many solutions? y = 2x + 2

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?