Answer:4x^2+10x+51
Step-by-step explanation: combine all like terms.
Answer: 3a + 2c = 73 (last night)
2a + 5c = 89 (last week)
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
50 i think
Step-by-step explanation:
Answer:
Step-by-step explanation:
i² = -1
i⁵ = i² * i² * i
= (-1) * (-1) * i
i⁵ = i
i²⁵ = i ⁵ˣ⁵ = (i⁵)⁵
= (i)⁵
= i