
Just follow step by step. Follow PEMDAS (Parentheses, Exponents. Multiply/Divide, Add/Subtract)
Answer:
4y-12
Step-by-step explanation:
To multiply a sum (or difference) by a factor, each summand (or minuend and subtrahend) is multiplied by this factor and the resulting products are added (or subtracted).
If the operation outside the parentheses (in this case, the multiplication) is commutative, then left-distributivity implies right-distributivity and vice versa, and one talks simply of distributivity.
Answer:

Step-by-step explanation:
Surface area → area of 2 bases + area of 6 rectangles
Area of base is given
Area of rectangle → length × width

Jack invested 57
Sam invested 38
57 over 38 minus 1,00
Answer:
<h2>

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Step-by-step explanation:
To find the value of x we can use either sine or cosine
Using cosine we have
<h3>

</h3>
From the question
x is the hypotenuse
4 is the adjacent
We have
<h3>

</h3>
We have the final answer as
<h3>

</h3>
Hope this helps you