The answer is -3.
If we add positive one/+1 to negative four/-4, we subtract +1 from -4, giving us -3.
The Answer is 32%.
Because for two workers for 40 hours each, it will cost 640
and when you do .32*2000 it equals 640 also
Hope I helped :)<span />
no, more than one triangle could be made with these measures
sss
Y=1+3x/4 would be the answer to solve for y
