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Answers by Shera

Answers by Shera
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A multiple-choice question has five answer options of which two options are correct. What is the probability of randomly choosing the correct pair of answer options
answered Jan 17, 2018
2 votes
69.8k views
At a restaurant you only have $20 to spend on dinner. In addition to the cost of the meal you must pay a 5% sales tax and leave a 15% tip. What is the most expensive item you can order?
answered Dec 26, 2017
3 votes
98.1k views
Explain blood flow through the heart
answered Oct 4, 2017
3 votes
143k views
The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X? 20° 35° 50° 65°
answered Feb 14, 2017
1 vote
10.5k views
Which expression is equivalent to 2x-17? a. -17+2x b. -2x+17 c. -2x-17 d. 17+2x
answered Sep 30, 2016
4 votes
180k views
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