[70 multiple choice | serious answers !

I look into all the answers

A is giving you the total of 30 kilograms

B is telling you that it gains the  average of 170 which that one looks right

c is giving you the 170 average and the kilograms per year

D is stating the gains a total of 170 kilo to first 3 years

So in my opinion, the correct answer is

B. The slope is 170. This means that the horse gains on average 170 kilograms per year for the first years of its life.

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)