Answer:
The answer is $7.15 (A)
Step-by-step explanation:
Your question answers itself. You solve by graphing.
I like to subtract one side of the equation from the other, so the solutions are where the graph crosses the x-axis (the resulting function value is zero).
It can be useful to find the "turning point" of each absolute value expression (where its value is zero) and graph that and some points on either side.
Answer: A
(He has the side lengths in the wrong place in the cosine ratio)
Answer:
It describes multiplication
Step-by-step explanation:
As you can see its 5x-5 (the x is say "by" or "of), So when you look at it you can clearly see it's multiplication.
Answer:
concentration
Step-by-step explanation:
Because concentration is a factor to how much of a volume to give