Given x=210, y=470, xy=470, x square =5300, y square =24100. Find the predictive amount if 5 is the n value

Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50. if peanuts cost $2.75 per pound and cashew nuts cost $3.25 per pound, how many pounds of cashew nuts did he buy?

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.