25 - (-7)= and (-6 x

-6) - 8 =
not sure what to do

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

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?