Solve these 2 exercises . a + (a-b) + (- a + b) a²+[-b²+2a²]-[a²-b²]

"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?

Which expression will have the same sum as 3_8 + 1/4?

Use the distributive law to multiply. 3(4x + 5y + 6)