The formula below gives d, the demand for concert tickets when the price of each ticket is p dollars.
d(p)=2000-4p-p^2
what's the value if d(15)

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

Which number line correctly shows 0.8 + 0.3?

Tan198=asin164=? how to solve this? ?