Solve the problem.The sum of a student's three scores is 230. If the first is 19 points more than the second, and the sum of the first two is 23 more than twice the third, then what was the first score?
A. 69
B. 90
C. 50
D. 71
Answer: B
Mathematics
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Answer the question.If your salary is 25% higher than mine, then how does my salary compare to your salary?
A. My salary is 75% of yours. B. My salary is 20% less than yours. C. My salary is 125% of yours. D. My salary is 25% less than yours.
Mathematics
Find the derivative.w = z10 - e
A. (9 - e)z10 - e
B. (10 - e)z9 - e
C. z10 - e
D. 
Mathematics
Provide an appropriate response.If the original price for an item was $5.50 and it increased by 100%, the new price is $12.00.
A. True B. False
Mathematics
If the sum of the measures of two angles is 90, then they are called _______________.
What will be an ideal response?
Mathematics