Dan had 249 dollars to spend on 7 books. After buying them he had 18 dollars. How much did each book cost?

Which expression gives the area of the triangle shown below

In what organelle does photosynthesis take place?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?