HELP NEEDED ASASP Write a story to represent this equation 15 divided by 1/9
Next what multiplication shows that your division is correct? PLS ANSWER

What two criteria are needed for triangles to be similar

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.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c