Answer:
0.1
Step-by-step explanation:
0.13392857142857142857142857142857
Answer:
n = 17

Step-by-step explanation:

n · 170 = 34 · 85
170y = 2890
170y ÷ 170 = 2890 ÷ 170
y = 17
Answer:
36.
Step-by-step explanation:
Please correct me if i'm wrong! :)
Basically each part of the first complex number gets multiplied by each part of the second complex number. You are multiplying 2 binomials.
(15 + 56i(7 + 4i)
= 105 + 60i + 392i + 224i^2
= 105 + 452i - 224 ( because i^2 = -1)
= - 119 + 452i
$1.25. If you divide each price by the hour amount then subtract the higher one, you will get your answer.