Anna is 6 more than twice courtney's age. courtney is c years old.

which equation can be used to find anna's age, a , in years? and

if anna is 30 years old, what is courtney's age?

step-by-step explanation:

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)