All you have to do is insert whatever they give you into <em>x. </em>So for example they give you f(2) all you do is is insert the two where x is.
Answer:
74 i believe because all angle measurements must equal 180
Step-by-step explanation:
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The battery would be $. 50 meaning the torch is $2.00. 2 dollars is 80% of $2.50 meaning the torch is 80% of the total price.
Answer:

Step-by-step explanation:
Work to isolate x on one side of the inequality:

Therefore the answer is all x values larger than or equal to -30
