I kneed to know how to solve this table?

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

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.

Find the value of x to the nearest tenth. a. 4.5 b. 5.4 c. 6.3 d. 7.2