Identify the equation as either an identity or not.sec4 ? - tan4 ? - 2 sec2 ? = -1
A. Not an identity
B. Identity
Answer: B
Mathematics
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Tell whether or not the relation is a function.{(-7,-7), (-7,-5), (-1,-6), (6,-1), (10,-7)}
A. Yes B. No
Mathematics
Solve the problem. Round interest to the nearest percent and time to the nearest period.If the average annual inflation rate is 5%, how long would it take to the nearest year for the general level of prices in the economy to double?
A. 15 years B. 28 year C. 23 years D. 14 years
Mathematics
Solve the problem.A class consists of 15 girls and 11 boys. In how many ways can 4 girls and 4 boys be selected from this class to form a team?
A. 7,207,200 B. 450,450 C. 2730 D. 660
Mathematics
Graph the equation.16(x - 2)2 + 9(y + 1)2 = 144
A. 
B. 
C. 
D. 
Mathematics