Step-by-step explanation:
a. y = 2 + 4.3(-6)
y= 2- 25.8
y= -23.8 or y= -24
b. y= (9-3)2
18-6=12
c. y= 3.5-2
y= 1.5
d. y= 5(-2) - 4
y= -10-4
y= -14
Answer:
He have <u>17 CDs</u> on Monday.
Step-by-step explanation:
Given:
On Tuesday James bought seven CDs. On Wednesday half of all the CDs that he had were destroyed. On Thursday he had 12 left.
Now, to find the CDs he have on Monday.
Let the CDs he have on Monday be 
<em>So, on Tuesday as James bought 7 CDs:</em>

<em>Now, on Wednesday half of all the CDs that he had were destroyed:</em>

As, given on Thursday he had left CDs = 12.
According to question:

<em>Multiplying both sides by 2 we get:</em>

<em>Subtracting both sides by 7 we get:</em>

Therefore, he have 17 CDs on Monday.
Answer:
.87
Step-by-step explanation:
She gets 13 off so 100-13 =87
She will pay 87%
Multiply by .87
180-57= 123
I’m not sure if my answer though
The 4th question bc its 11 grams