a field can be cleared by 33 men in 15days. how many more person required if the field has to be cleared 4 days earlier?

Question 3 of 30 paul buys fruit to make smoothies. he buys 3.78 pounds of apples, 2.12 pounds of peaches, and 4.45 pounds of oranges. paul rounds each weight to the nearest tenth of a pound. about how many pounds of fruit did paul buy? (a) 10.5 pounds (b) 10.2 pounds (c) 10.4 pounds (d) 10.0 pounds 30 points

Solve the system of equations. y= 2x y= x^2 - 15

Hi, can anyone show me how to do this problem? 100 points for this. in advance