Samual bought 6 notebooks for $9. at this rate, how much will he spend on 11 notebooks?

In what organelle does photosynthesis take place?

25 ! i need asap! ! ill mark brainliest!

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !