Select the expression that is equivalent to

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i. e dependent variable) and identify the independent variable.