Sard 14 4 polnts
Samantha Tan demonstrates cookware. She is paid $8.00 for each of the first 12 demonstrations in one day and $9.50 for each demonstration over 12. What is
her commission if Samantha makes 15 demonstrations in one day?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.