What is the exact value of Tangent (StartFraction 9 pi Over 8 EndFraction)?

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?