It has to B if not ask to retake and choose a trust me
The solution is solved as the following:
10 + 10(2a - 4) + (8a - 6)
10 + (10 * 2)a + (10 * -4) + 8a - 6
10 + 20a -40 + 8a -6
28a - 36
Answer:
m∠ADB = 155°
Step-by-step explanation:
m∠ADB = (m∠C)/2 + 90° = 130°/2 + 90°
m∠ADB = 155°
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Reference brainly.com/question/17443119 for the derivation.
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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Answer:
Step-by-step explanation:
Since the sale price is always less than the original, we take the original and subtract from it the percent off to give us the sale price. Putting that into equation form:
s = r - .10r
which says, in words, that the sale price is equal to the regular price minus 10% of the regular price.