For a Valentine's Day party at his school, Kenneth is cutting ribbons to tie around boxes of candy. Each box of candy needs 1 2 of a foot of ribbon. Kenneth has 15 feet of ribbon in all. How many boxes of candy can Kenneth tie with a ribbon? Write your answer as a fraction or a whole number. pls i need help

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.

Find the domain of the following expression: 1/(√x)-2

Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x