divide both sides by a
subtract b from both sides
multiply all terms on both sides by -1
c=b-d/a
<span>here are the answer choices
m∠ABC=32°
m∠ABC=64°
m∠ABC=90°
m∠ABC=128°
</span>∠ ABC<span> is less than 90</span>° so the 3rd and 4th option is out.
The most likely answer is 64°. m∠ABC = 64°
32° x 2 = 64°
For #2 they would make 394 dollars because they earn 2 dollars per bracelet, and I know that because the slope is 2