Step-by-step explanation:
z= 21/12
divide bothside by 12
shekinan
Let
x-----> the number of hours that Candice spent doing her homework
y-----> the number of hours that Ronald spent doing his homework
we know that

convert mixed number to an improper fraction

so
-------> equation A
------> equation B
Substitute equation A in equation B

convert an improper fraction to a mixed number

therefore
<u>the answer is the option B</u>

Answer:
Step-by-step explanation:
a = number of successful events
b = total number of events.
The associative property states that we can regroup the terms of an expression and obtain the same result.
We have then:

The expression that complies with this property is given by:

Answer:
An equation that shows an example of the associative property of addition is:
a. (- 4 + i) + 4i = -4 + (i + 4i)