Answer:
the answer is A
Step-by-step explanation:
There are 54 trials in the experiment and not 45 trials. Thus, Mary is incorrect.
I would say b if I’m not wrong
It is given in the question that
Sam sells cars and earns 3.5% commission in sales. In one day he sold 3 of the same cars each for $21,500.
Selling price of each car is $ 21,500. Therefore selling price of 3 cars is

And Sam earns 3.5 % commission .
So to find the Sam's commission, we have to do

And the Sam's earning is $2257.50 .
Multiply 11-√5 by 11+<span>√5 .the answer is 121-5=116
so the fraction is turned into (7-2</span>√5)(11+<span>√5)/116
77+7</span>√5 -22√5 -10=66-15<span>√5/116</span>
Answer:
hope it helps.
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