Aducks mass at birth was .05 kilograms. the duck gained .042 kilograms each week. after how many weeks is the ducks mass .890 kilograms

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.