When nikki and kara worked together last year, they painted a fence in 8 hours. the previous year, nikki painted the fence by herself. the year before that, kara painted it by herself, but it took 12 hours longer. how long did it take kara to paint the fence? a. 8 hoursb. 24 hoursc. 12 hoursd. 20 hours

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need