Iam an array made with 40 tiles i have an odd number of rows and an even number of tiles in each of my rows the number of my rows plus the number of tiles in each of my rows equals 13 how many rows do i have .

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

The tile along the edge of a triangular community pool needs to be replaced? ?

F(x)=3(1.54)^x whats this how do you do it