3+8x-2y-x+1+4y
Combine all like terms and
7x+4+2y is your answer
It's A since tangent is just opposite over adjacent, 12 is the opposite and 5 is the adjacent
Expression consists of numbers, variables, and mathematical operations. The expression f(w)=5(w+4) is equal to f(9)=5(9)+20.
<h3>What is an Expression?</h3>
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
The expression is given to you is,

Now, if we solve the expression it can be written as,

substituting the value of w, we will get,

Hence, the expression f(w)=5(w+4) is equal to f(9)=5(9)+20.
Learn more about Expression:
brainly.com/question/13947055
(8 p / h) * <u>"x"</u> h = p (in dollars).
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in which: "h" = hours ;
"p" = pay (in units of dollars);
"x" = number of hours.
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In the equation, on the left hand side, the unit symbol "h" would "cancel out" to "1" ;
and we would have:
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8 p * x = _<u>[total "p"]</u>__