Answer:
C
Step-by-step explanation:
-3x+15=18
-3(-1)+15=18
3+15=18
(x^2-6x+9)(x^2+6x+9) and expand it
⇒ 8 − <span> ⇒ 42</span>x − <span> ⇒ 56</span>y − <span> ⇒ 12</span>xy
Answer: 5 cookies and 6 brownies.
Step-by-step explanation: If she decides to buy 5 cookies it will cost her $2.50. This means she can still spend $12.50. If we need to find how many brownies she can buy, the expression 12.50/2.25 can explain. In this case, she can buy 5 brownies and will have $1.25 left over
Answer:
X is 3
Step-by-step explanation:
15-x=12
X=15-12
X=3