Answer:
D. Reflect across the x-axis, then shift 4 units up
Step-by-step explanation:
In this case, reflecting across the x-axis just means going 4 units down. To go back up, go 4 units up.
Answer: 
:)
Step-by-step explanation:
<em><u>The correct answer is 60 seats on the left side</u></em>, but you might also want to know how I got that answer . . .
Let's say, n = number of rows
Since we know the airplane has an equal number of rows on the right side as it does on the left side, then we can mathematically show that:
number of sears on the right side = 3n = 90 seats
number of sears on the left side = 2n = ? seats
3n = 90
n = number of rows = 90/3 = 30 rows
Thus:
2n = 2(30) = <u><em>60 seats on the left side</em></u>
<em>as for how many seats all together, just add . . 90 + 60 = 150 seats total</em>
Answer:
b) $49
Step-by-step explanation:
The question here is not if Alexis can mow the lawn faster or slower than the person who hires (actually, the time that the person hired took to mow the lawn is irrelevant).
The important part is the time Alexis can save hiring someone:
- Alexis mow her lawn in 30 minutes.
- Alexis earns $100 an hour. Then 30 minutes of her time is worthy $50.
Then, paying $50 or less is a good choice for Alexis.
Therefore the answer is b) $49.
Answer:
11.89
Step-by-step explanation:
