d$.$ A local community group, which, to date, $t=0,$ has planted $13$ trees at public parks in the Acediana ares, is continuing to beautify the area's parks. Their linear growth model yields an annual trend, $y/x,$ of $.7$ trees per year.

How many trees are expected to be attributable to the group in $10$ years, $t=10?$

How mary trees are expected to be attributable to the group in $20$ years, $t=20?$

How many trees are expected to be attributable to the group in $35$ years, $t=35?$

e$.$ Using the project management data in the table below, answer the proceeding questions.