Complete the identity.The expression 
+ cot ?is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos ?
B. sec ?
C. csc ?
D. tan ?
Answer: C
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Solve. Use ? ? 3.14 and round to the nearest hundredth.Ellie bought a circular etched-glass table top to use as her dining room table. The glass is 6 ft in diameter. Find the cost of the table top at $87 per square yard of glass.
A. $2458.62 B. $4370.88 C. $273.18 D. $1092.72
Find the indicated composite for the pair of functions.f(x) = 
; g(x) = 9x + 4Find (g?f)(x)
A. x + 8
B. x
C. 9x + 32
D. x - 
Solve the equation.
= 
A. {-216} B. ? C. {-6} D. {6}
Use words such as linear, quadratic, cubic, polynomial, degree, one variable, and two variables to describe the expression.-20x4 + 8x3 - 7x + 4y5
A. 5th - degree polynomial in one variable B. 5th - degree polynomial in two variables C. not a polynomial D. 4th - degree polynomial in two variables