The map of a community shows that a lake is 6 inches away from a library. The scale of the map is 14 inch represents 3.5 meters. How far apart are the actual lake and library?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Use sigma notation to represent the following series for 9 terms.