Answer:
$72
Step-by-step explanation:
Let's use substitution to identify the cost of 24 notebooks.
<u>The equation is represented as:</u>

<u>Substitute 24 </u><u>into</u><u> </u><u>x</u><u>:</u>
<u>
</u>
<u>Solve</u><u>:</u>

Answer:
Step-by-step explanation:
You first want to get rid of the numbers which are in parenthesis
(-345(-23)
This is a multiplication between negative numbers
The law of signs in mathematics states that negative times negative equals positive
(-) (-) = +
(-345(-23)= 7935
Then we multiply the number which is outside of the parenthesis (4x)
(4x)7935= 31740x
Answer:
0.6
Step-by-step explanation:
add 0.1 to 0.5 giving you 0.6
the rest are 0.7, 0.8, 0.9,
hope this helps! <3
Answer:
or 
Step-by-step explanation:

Altogether there are 22 pencils
the probability of picking 1 blue pencil is 8/22
i hope this helps and is right :)