We have been given an expression
. We have been given steps how Chris tried to solve the given expression. We are asked to choose the correct option about Chris's work.
Let us simplify our given expression.
Using exponent property,
, we cab rewrite our given expression as:


Now we will use exponent property
to further simplify our expression.


Therefore, Chris made mistake in step 2.
Answer:
x= 12
Step-by-step explanation:
hope this helps!!
Answer:
a² + b²
Step-by-step explanation:
(a + b)² - 2ab ← expand parenthesis using FOIL
= a² + 2ab + b² - 2ab ← collect like terms
= a² + b²
Answer:


Step-by-step explanation:
Given
See attachment for MNPQ and RSTU
Required
Find x and y
To solve this question, we make use of equivalent ratios of corresponding side lengths.
The ratio of corresponding sides are:




From the attachment, we have:



To solve for x, we equate
and 

Express as fraction

Make x the subject




To solve for y, we equate
and 

Express as fraction

Make y the subject




Answer:
24c
Step-by-step explanation:
I see 4 times 6c, which is,
24c
Hope this helps!!