Sal has 13 stamps arranged in an array. describe his array.

Solution:

An array is representation of some object represented in form of numbers in terms of rows and columns.

Since 13 is prime number.So

13 stamps  arranged in array form can be arranged in either [13 Rows×1 Columns] or [1 Row  × 13 Columns].

That is ,→ (13 × 1) or (1 × 13).

a; x = 0.5

step-by-step explanation:

-10x = -5

x = 0.5