Determine whether each pair of ratios are equivalent ratios. Write yes or no. 9/11, 81/99
29.2/10.4, 7.3/2.6

1. Yes

2. Yes

Step-by-step explanation:

1. 9/11 is equal to 81/99 because if you simplify 81/99 (divide by 9), you get 9/11.

2. 29.2/10.4 is equal to 7.3/2.6 because when divided, they both equal to 2.807692308.

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)

4x and 6y

im not sure though