Find the value of the expression -15.08 -8.43

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.