Richard owns 2 1/2 acres of farmland. He grows carrots on 2/5 of the land. On how many acres of land does Richard grow carrots? (pls pls pls help i need the answer ASAP this is for a test)

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another 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 would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?