Roscoe rides his bike at least 10 miles but not more than 30 miles. he rides at an average rate of 10.5 miles per hour. the amount of time it takes for roscoe to ride his bike m miles is represented by a function. t(m) = m/10.5 what is the practical domain of the function?

How do i do this? i don’t understand

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

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)