When x=9, which number is closest to the value of y on the line of best fit in the graph below?

1

9

12

17

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

This summer the number of tourists in salem increased 4.5% from last years total of 426000. how many more tourists came to salem this summer

The table shown below gives the approximate enrollment at the university of michigan every fifty years. how many more students were enrolled at the university of michigan in 1950 than in 1900?