13. 81.64
14. 803.84
15. 153.83
16. 753.6
you just use circumference and area formulas for a circle
<span>1. m∠6=m∠8, b||c
Given
2. m∠7=m∠8
</span><span>If lines ||, corresponding angles =.
</span><span>
3. m∠6=m∠7
</span>Substitution
<span>
4. a||b </span>
If alternate interior angles equal, then lines ||.
103.468L rounded to the nearest liter would be 103L
Do the variable first (x^2 +4x) then do y+y-8
