Find the weighted mean of the numbers in the table. Round to the nearest tenth.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. 
A. 7.3 points
B. 7.5 points
C. 7.6 points
D. 7.8 points
Answer: D
Mathematics
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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 
, ? < ? < 
Find tan(2?).
A. - 
B. - 
C. 
D. 
Mathematics
Find the standard form of the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Use this table of conversion factors to help you answer the following questions.
A can contains 24 oz of tomato sauce. How many grams does the can contain?
A. 803 grams B. 679 grams C. 762 grams D. 628 grams E. 927 grams
Mathematics
Find the second-order partial derivative.Find gyy when g(x,y) = 
.
A. 
B. - 
C. - 
D. 
Mathematics