Answer:
−9r+4r
=−9r+4r
=−r+−r+−r+−r+−r+−r+−r+−r+−r+r+r+r+r
=−r+−r+−r+−r+−r
=−5r
Step-by-step explanation:
x = 3.125 ft
D. 141 kg
the answer to this question is b.
always acute angle.as each angle is 60°