How is probability used in inferential statistics?.

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

i think it will be 4feet long of what i comprehend