Her savings jar. Did she have exactly enough for the bicycle? If not, how much extra or how much too little did she have?
6. Annie and Dustin took a beginner's programming course over several weekends that
showed them how to make simple video games. They spent most of their waking
hours engaged in programming tasks and ended up with a game they called "Ro-Bot-
Ro-Call." How many hours do you think they spent on their course? Show your work.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Find the solution to this system 2,1 1,-2 1,2 -1,2

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2