(Will mark as brainlist, only correct answers) : Q: compare and examine the difference between each of the following pairs of expressions.

•2n and 2 + n
•n² and 2n
•2n² and (2n²)

Comment whether each pair of expressions is equal. Explain ur answer.​

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Consider the integral: 4 0 16 − y2 − 16 − y2 4 1 x2 + y2 dz dx dy . (a) describe w. use the standard view of the x, y, and z axes. front half of a cone with a rounded top. full cone with a flat top. right half of a cone with a flat top. front half of a cone with a flat top. right half of a cone with a rounded top.

What is the quadric regression equation that fits these data