Answer:

Step-by-step explanation:
The picture of the question in the attached figure
we know that
----> by SOH (opposite side divided by the hypotenuse)
we have

solve for BC

substitute the values


To find a percentage of a number, multiply by the decimal form of that percentage(20%=0.20). So, take the cost, $430, and multiply by common state sales tax (7% for me)---430 x 0.07 = 30.10 The sale tax rate is 7%.
Answer: 1140.3
Step by step explanation:
181 x 7 = 1267
1267x0.9=1140.3
In total there are 20 students and only 6 read 1 book. So the answer would be 6/20
(7,6) is the answer of your question
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