Add. Do not use a number line except as a check.2.1 + (-6.6)
A. -8.7
B. -4.5
C. 4.5
D. 8.7
Answer: B
Mathematics
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Solve the equation for all values 0 ? x ? 2?.sec 
= cos 
A. x = 
, 
B. x = 0, 2?
C. x = 0, 
, ?, 
D. x = 
, 
, 
, 
, 
, 
, 
Mathematics
Find the missing measurement in the figure. 
a = 0.91 in. b = 1.43 in. c = 5 in.
A. z = 2.66 in. B. z = 2.14 in. C. z = 3.18 in. D. z = 1.14 in.
Mathematics
Find the composite function for the given functions and state the domain. h ? g ? f for f(x) = 
, g(x) = 
, and h(x) = 4x+ 8
A. 4
+ 8
B. 
C. 
+ 8
D. 
+ 2
Mathematics
Write the function as a product of linear and irreducible quadratic factors, all with real coefficients.f(x) = 2x3 + 13x2 + 11x + 30
A. (x - 6)(2x2 + x + 5) B. (x - 6)(2x2 + x + -5) C. (x + 6)(2x2 + x + -5) D. (x + 6)(2x2 + x + 5)
Mathematics