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Okay, so this is a right angle. That means it is 90 degrees.
So far we know that on side of the angle is 47 degrees.
To get the other angle we will just subtract 90 - 47 = 43
Answer: Here's what I got:
Step-by-step explanation:
I don't know if this what you wanted:
Answer:
Number 7 is A and Number 8 is D.
The value of x in the algebraic expression is -2.5
<h3>What is an algebraic expression?</h3>
An algebraic expression is the representation of numbers with variables with the purpose of solving for the variable. The variables are expressed by using alphabetical letters, here it is (x).
From the given algebraic expression, we have:
4x + 2 = -8
Collect like terms
4x = -8 - 2
4x = - 10
Divide both sides by 4
x = -2.5
Learn more about algebraic expression here:
brainly.com/question/4344214