Add and simplify.
+ 
A. 
B. 
C. 1
D. 
Answer: B
Mathematics
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?Plot the points in the Cartesian plane. ? (2, 6), (2.5, 6), (3, -6), (-6, 4.5) ?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Fill in the missing value.0.92 m = dm
A. 92 B. 0.009 C. 9.2 D. 0.092
Mathematics
Verify that the equation is an identity.cos(x - y) - cos(x + y) = 2 sin x sin y
What will be an ideal response?
Mathematics
Solve. Round to two decimal places unless otherwise noted.In the following formula, y is the minimum number of hours of studying required to attain a test score of x: 
How many hours of study are needed to score 89?
A. 27.10 hr B. 2.71 hr C. 101.10 hr D. 7.15 hr
Mathematics