Solve for `t, 3t - 8 le -t` in the set of whole numbers

Solve for x, 8x + 4 le 20 in the set of natural numbers

If the replacement set is the set of whole numbers, solve : 8 - x gt 5

If the replacement set is the set of whole numbers, solve : 3x - 1 gt 8

If the replacement set is the set of whole numbers, solve : 18 < 3x - 2

Which of the following property doesn't hold for set of whole numbers?

The mean of a finite set S of numbers is 14, the median of this set of numbers is 12, and the standard deviation is 1.8. A new set T is formed by multiplying each member of the set S by 3. Which of the following statements must be true of the set T ? I. The mean of the numbers in set T is 42. II. The median of the numbers in set T is 36. III. The standard deviation of the numbers in set T is 5.4.

Solve : 2.5t + 7.3 t = 21.6 -t