Check the picture below.
and since a triangle has a sum of 180° for all interior angles.
A = 180 - 39.34 - 25
A = 115.66

make sure your calculator is in Degree mode.
Answer:
88 lbs
Step-by-step explanation:
22+22(3)=88
slope=0
it's a straight horizontal line when you graph it.
This is just stuff you have to memorize, I can’t really explain much further than product always means multiplication. The “product of” means k*m
If y=mx+b,

You can't differentiate a constant, so dy/dx=m.