Gena wants to buy grass seed to cover her whole lawn, except for the pool. The pool is 7 1/2m by 3 1/4m. Find the area the grass seed needs to cover. Hel

Really need on these. i have no idea what to do

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.