Answer:
Step-by-step explanation:
surface area=area of sides +area of top and bottom
=2(4+5)×8+2×(4×5)
=2[(9×8)+20]
=2[72+20]
=2×92
=184 m²
Answer:
A
Step-by-step explanation:
note that i = 
given
- 1 + 2i
= - 1 + 
= - 1 + 
Answer: -2,000,000
Step-by-step explanation:
Think of it as -3,000,000 + 1,000,000
Answer:32
Step-by-step explanation: 4 bikes every hour so multiply 4 times 8 which is 32