Answer:
The answers are A , C , D
Step-by-step explanation:
Lets revise the rule of exponent
* 
* 
* 
* 
Now lets solve the problem
We need all the expressions equivalent to 
A.
∵ 
∵ 2³ = 8
∴ 
Answer A is equivalent to 
B.
∵ 2³ = 8
Answer B is not equivalent to 
C.
∵ 2³ = 8
∴ 
Answer C is equivalent to 
D.
∵ 
∵ 
Answer D is equivalent to 
E.
∵ 
∵ 2³ = 8
Answer E is not equivalent to 
<em>The answers are A , C , D</em>
Answer:
575
Step-by-step explanation:
If a sample of 50 is selected and ten out of that are infected, dividing you would get my answer. To get it, divide the sample amount that were infected by the whole amount. I am unsure if this is correct but fingers crossed this helps. Feel free to talk it through with me.
Answer:
B
Step-by-step explanation:
Answer:
(4x + 7)
Step-by-step explanation:
If you multiply -3 by +7 you get -21.
4x times x is 4x^2. The middle terms -12x +7 add to -5x
Answer:
-- Marcus
-- Raquel
Step-by-step explanation:
Given


-- Both
-- Raquel
Required
Determine x and y
Substitute 2x + 3 for y in 


Collect Like Terms


Divide both sides by 3

Substitute 4 for x in



