In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 30 cm, c = 50 cm
A. b = 20 cm
B. b = 10 cm
C. b = 80 cm
D. b = 40 cm
Answer: D
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.g(x) = - 
; g '(-2)
A. g '(x) = - 2; g '(- 2) = - 2
B. g '(x) = - 2x2; g '(- 2) = - 8
C. g '(x) = - 
; g '(- 2) = - 
D. g '(x) = 
; g '(-2) = 
Mathematics
Write the inequality as the union of two intervals.
?
What will be an ideal response?
Mathematics
Find the real solutions of the equation.
= -2
A. 
B. 
C. 
D. 
Mathematics
Solve the system by elimination. If the system is inconsistent or has dependent equations, say so.-7x + 9y = -14 3x + 7y = 6
A. {(2, 1)} B. Inconsistent: no solutions C. {(2, 0)} D. {(1, 1)}
Mathematics