Find the exact value of the expression.tan-1 (-
)
A. - 
B. 
C. - 
D. 
Answer: C
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Name the conic or limiting form represented by the given equation.25x2 + 4y2 - 200x + 72y + 624 = 0
A. Point B. Empty set C. Ellipse D. Circle
Solve the problem.In how many ways can a class president and a class secretary be chosen from a group of 5 candidates?
A. 20 B. 10 C. 9 D. 60
Given the measure of one acute angle, find the measure of the other acute angle. Triangle is not drawn to scale.?K = 30°
A. ?M = 30° B. ?M = 60° C. ?M = 120° D. ?L = 90°
Evaluate the expression for the given value of the variable.The algebraic expression 
describes revenue for a certain vendor when the vendor sells 
Evaluate the algebraic expression when 
to find the profit that the vendor makes from selling 
A. $1400.00 B. $980.00 C. $140.00 D. $14.00