Answer:
B
Step-by-step explanation:
idk I think its correct
To solve this problem just do the following,
x+9=-12
-9 -9
x=-21
Check
-21+9=-12 = True
Hope this helps!=)
Answer:
X would have to equal more than 5
Step-by-step explanation:
When the open part of the thingy, the <, is facing the 3x, it means that its bigger than the 15, and 3*5 is 15, x has to equal more than 5
Answer:
For example, if the initial price was $60, you would calculate 60 x.11= 6.60, then 60-6.60.
Step-by-step explanation:
Hope this helps you!!!!!!!! :D
Step-by-step explanation:
(9a4 + 2a2 + 5) – (16a4 – 7a2 + 1)
A. 25a4 – 5a2 – 4
B. –7a4 – 5a2 + 6
C. 25a8 + 9a4 + 6
D. –7a4 + 9a2 + 4
5.Multiply 9x2(2x2 + 8x).
A. 18x4 + 72x3
B. 18x2 + 72x3
C. 11x4 – 17x3
D. 90x4
