First estimate the answer. then divide to get the exact answer. 3 5/7 divided by 5

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20