Evaluate the algebraic expression for the given values of the variables.8 + x ÷ 5 + y, for x = 15, y = 10
A. 13
B. 20
C. 12
D. 21
Answer: D
Mathematics
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Decide whether or not the functions are inverses of each other.
, g(x) = 
A. Yes B. No
Mathematics
Solve the equation on the interval 0 ? ? < 2?.tan 
= 
A. 
B. 
C. 
D. 
Mathematics
Verify the identity.csc 
= sec x
What will be an ideal response?
Mathematics
Solve the problem.A merchant has coffee worth $30 a pound that she wishes to mix with 30 pounds of coffee worth $80 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $30 coffee should be used?
A. 60 pounds B. 75 pounds C. 150 pounds D. 120 pounds
Mathematics