Whats the constants of 4+7n-8+6m+9

Please hurry this is due soon!!!

Can someone me do math because i am having a breakdown rn because i don’t get it

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.