Hi i am stuck can anybody help please

Find the simple interest earned to the nearest cent for each principal,interest rate,and time 735 7% and two and a half years

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.