Answer is C.
Multiply the numerator and denominate by 3 - √5
Hope it helps.
ANSWER
The coefficient is 70.
EXPLANATION
The given binomial expression is

The specific term of a binomial expansion can be determined using the formula,

where

We substitute these values into the formula to get,

We simplify to get,

Hence the coefficient is 70.
Answer:
???
Step-by-step explanation:
The amount of money that is saved by purchasing the projector at Office and beyond is $144.
<h3>How much money is saved?
</h3>
The first step is to determine the price of the projector at The Office spot.
Discounted price : (1 - 0.20) x $1200
0.80 x $1200 = $960
The second step is to determine the price of the projector at the Office and Beyond.
Discounted price : (1 - 0.15) x $960 = $816
Difference in price : 960 - 816 = $144
To learn more about how to calculate discounts, please check: brainly.com/question/26061308
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