Answer:
1. -8+3x
2. 51x-2+4x2 (squared)
3. 66x +324
4. 6x+2
5. 13 +13x
Step-by-step explanation:
I don't think I really understand the question but I tried to simplify the equations
50.2/3divided by 8/7
it will equal 1 5/16 which is C
The baker uses 4 5/12 lb of sugar. She has 7/12 left
Answer:
We need at least 217 compact fluorescent light bulbs
Step-by-step explanation:
We have that to find our 
level, that is the subtraction of 1 by the confidence interval divided by 2. So:
Now, we have to find z in the Ztable as such z has a pvalue of 
.
So it is z with a pvalue of 
, so 
Now, find M as such
In which 
is the standard deviation of the population and n is the size of the sample.
How many compact fluorescent light bulbs need to be selected?
We need at least n bulbs, in which n is found when 
So
We need at least 217 compact fluorescent light bulbs
Answer:
4%
Step-by-step explanation
The question is asking for the difference between 96 and 100 which is 4 because you just add 4 to 96 to get 100
