Acolony of bacteria is growing exponentially according to the function below, where t is in hours. what will the approximate number of bacteria be after 7 hours

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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.

The measure of angle 0 is 600 degrees