Anna is the neighborhood dog walker. she charges $8 a session plus $3 per dog (d). how much does anna earn (e) per session? how much would anna charge you to walk 2 dogs?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

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

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup