Step-by-step explanation:
<em>Acute angles measure less than 90 degrees. Right angles measure 90 degrees</em>
Answer:
∠
it has to be 89° or less, i dont know what your asking, try asking g00gle
k= -9
2k-3=9k+63-3 [expand the 9(k+7) first]
2k-9k=63-3+3 [put the like terms together]
-7k=63 [do the simple math]
k= 63 ÷ by -7
k=-9
Option C. is correct choice.
Regards: Umer
