Tell if number 7 a prime is composite number

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2