Hey, y'all how's everyone doing today, and if y'all could answer these please, that would be great! Please and Thank you!

4+(2+x) can you me solve this problem

What would the rule be for the reflection of y=-3

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next