Soybean meal is 14% protein; cornmeal is 7% protein. how many pounds of each should be mixed together in order to get 280 lb mixture that is 12% protein

Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.