Hmm, I got these for roots:
0.7937053103356799
0.026855090968934903 +i* 1.6611004538114105
0.026855090968934903 -i* 1.6611004538114105
-6.84741549227355
Answer:25
Step-by-step explanation:
If you add the 20+5
300,000,000 is 3 x 10 to the 8th power
Answer:145
Step-by-step explanation:the answer is 145