<span>Practice breathing into your diaphragm. To breathe intoyour diaphragm, breathe in as deeply as you can and push your stomach out as far as possible while doing so, keeping the rest of your body as still as possible. Now exhale, and pull your stomach back in. Make sureyour shoulders don't move.</span>
The answer would be B. False
Explanation:
you would either take and add them together to equal 90 or take them separate like for example 4x+1=90
it would be equal to 90 because they are complementary angles which add up to 90
-hope this helps