Una cerca de 140 pies cuesta $279, ¿cuánto cuestan 98 pies de cerca?

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

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

This is about circle theorems. someone asap : (