Arecipe for 12 corn muffins calls for 1 cup of flour. the number of muffins you can make varies directly with the amount of flour you use. you have 2 1/2 cups of flour. how many muffins can you make? (use a direct variation equation )

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)

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}