Answer: A
Step-by-step explanation:
We need to get this form: 
we need to begin by isolating y on the left side. To do this, we must subtract 4x.
Rewrite it so that we get this form:
Since y needs to be completely isolated, divide by 4.
Divide;
Answer:
Step-by-step explanation:
Let b represent the number of black
ink pens that John wants to buy.
Let r represent the number of red
ink pens that John wants to buy.
John wishes to buy 20 pens. This would be expressed as
b + r = 20
The store sells black ink pens for $5 and red ink pens for $4. John doesn’t wish to spend more than $92. The inequality to show this information would be expressed as
5b + 4r ≤ 92
x is 8 and y is 1 .I'm sure.
Answer:
⦣ACD = 90º
Step-by-step explanation:
⦣ACD + ⦣BCD = 180º
⦣BCD = 90º
⦣ACD + 90º = 180º subtract 90º from both sides
⦣ACD = 90º
What????????????????????????????
