In the figure AE ? EB. Prove that AD ? BC
Answers will vary.
?DAC ? ?DBC (Angles inscribed in same arc) and
?AED ? ?BEC (Vertical angles), so ?DAE ? ?CEB (ASA). Then AD ? BC by C.P.
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Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.The Wellspring Company's fleet of trucks get 20, 13, 19, 14, 20, 13, and 21 miles per gallon. What is the mean miles per gallon for the fleet? Round to the nearest whole number.
A. 16 miles per gallon B. 18 miles per gallon C. 20 miles per gallon D. 17 miles per gallon
The graph of a linear function f passes through the two given points. Find a formula for f (x).(5, 0), (-10, -9)
A. f(x) = 
x - 3
B. f(x) = 
x + 3
C. f(x) = 
x - 3
D. f(x) = 
x + 3
Add and write the resulting polynomial in descending order.(8.3z4 + 3.2z3 - 4.3z2 + 9.2z - 8) + (2.4z4 + 8.1z3 - 5.2z2 + 0.8z + 3.7)
A. 10.7z4 + 7.5z3 - 13.3z2 + 10z - 4.3 B. 10.7z4 + 11.3z3 - 9.5z2 + 10z - 4.3 C. 10.7z4 + 11.3z3 + 9.5z2 - 10z - 4.3 D. 5.9z4 + 11.3z3 - 9.5z2 + 10z - 4.3
Graph the polar equation.r = -2 cos ?
A. 
B. 
C. 
D. 