In triangle DEF, d = 18 units, D = 75°,
and F = 20°. Find f to the nearest
tenth.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

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?