Answer:
She purchased 5 paperbacks at $4 and 3 hardbacks at $8 for a total of $44.
Step-by-step explanation:
Answer: this was all i knew how to do, hope it helps:)
Answer:
67.02
Step-by-step explanation:
Answer:
45 cm
Step-by-step explanation:

Answer:
A
Step-by-step explanation:
Noting that i² = - 1
Given
(7 - 3i)(8 + 4i) ← expand factors using FOIL
= 56 + 28i - 24i - 12i²
= 56 + 4i - 12(- 1)
= 56 + 4i + 12
= 68 + 4i → A