Which of the following correctly describes the sum below? Please somebody help me, I already got some wrong and this is timed!!

Triangle xyz has vertices x(1,3), y(0,0)

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

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.