Try proportions. It can help since it's asking for the "cost". Hope this helps! :)
Answer:
A) True
Step-by-step explanation:
In an experiment that has the purpose of testing the efficacy of a procedure or drug, comparison is made against the efficacy of a placebo, a procedure or drug that is <em>intended to have no effect whatever</em>.
__
Famously, a placebo is often found to be nearly as effective (or even more effective) than the procedure or drug on trial. This effect is known as "the placebo effect."
I will draw a new chapter for the first chapter of class in chapter chapter class ti
Answer: A = 5
Step-by-step explanation:
I'll rewrite this as fractions.
Solve for A,
