2/3x - 12, x=18 (show work)

0

Step-by-step explanation:

Since we know x=18, we need to find 2/3 of 18.

Let's make 2/3 so that the denominator(bottom part of a fraction) is 18.

18 divided by three is six so we needs to times the top number, 2, by 6.

The fraction would now be 12/18. Now we needs to subtracts 12 which would become 0/18. This equals 0.

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )