Answer:
-17
Step-by-step explanation:
as the picture says I have moved 21 so that the numbers are together and it's easier to solve then you move 3 to divide it on the other side and x is left alone.
Katrina practices 4 hours a week.
Jeremy practices 2 hours and 15 minutes a week.
Answer Katrina practices more than Jeremy by 1 hour and 48 minutes
In addition to what Paul in CT said, 13 is a member of the natural numbers, whole numbers, rational numbers, real numbers, complex numbers, and algebraic numbers.
A is a subset of B is all the elements of A are elements of B
We call m the slope<span> or gradient of the </span>line<span>. It </span>represents<span> the change in y-value </span>per<span> unit change in x-value. For example, consider the </span>line<span> given by the equation y = 2x + 1. Here are some points on the </span>line<span>. ~hope that helps</span>
From top to bottom it goes:
yes
no
no
yes