Help me please an thank you

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

How many terms does the polynomial x^2 y^2 have