Simplify
3/4 - 4x + 1/2x - 1/2 + 1/2x

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

Need on this one asap im almost done with this subject

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.