Select "equivalent" or "not equivalent" for each pair of expressions. Expressions
equivalent or not equivalent?
5x - 7+ 3x and 3x - 7+ 5x equivalent not equivalent
4y+9+ 3y and 3y+9+ 4y equivalent not equivalent
6z - 2z + 4 and 4 + 22 - 6z equivalent not equivalent

1 and 2 are equivalent and 3 is not equivalent because rhe numbers are are just swapped you have to pay attention to the signs.

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2

(a) the volume of the cone is 20/3 in3

hence, option a is correct.