Answer:
Step-by-step explanation:
2 csc²x-2 csc x-1=0
or

Answer:
(9-27)+9
=-18+9
<em><u>=-9</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em>
7.158 * 10^9 rounds to 7 * 10^9
7 * 10^9 = 7,000,000,000
Answer:
25 Or A
Step-by-step explanation: