Simplify the number using the imaginary unit i square root -25

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

Having a hard time understanding this question (see attachment).

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.