People in southern africa would be most affected by a) the flooding of the nile river. b) a decrease in trans-saharan trade. c) the spread of the kalahari desert. d) fish shortages in the indian ocean.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

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. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)