The side of a cube is 2x. what is the volume?

V = L3 = (2x)3 = 23x3 = 8x3

Step-by-step explanation:1st:V=a^3

2nd:V=(2x)^3 which is equals to =8x^3

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,