Iam trying to my daughter with this, and i am totally lost, show the work along with the answers. it is a lesson on subtracting fractions. it is asking to to find the equivalent fractions, complete the model, then subtract.

What is the value of the expression below? (81^2)^1/8

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.