For a quadrilateral to be “cyclic,” what requirement must be satisfied?
What will be an ideal response?
All vertices of the quadrilateral must lie on a circle.
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Express the given expression in simplest form with only positive exponents.
-4
A. x16y16w4z20
B. 
C. 
D. 
Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.672 when n = 18 at ? = 0.05
A. Yes B. No
Determine whether the two equations in the pair are equivalent.4x = 6x and 
= 12
A. Equivalent B. Not equivalent
Write an algebraic equation and use it to solve the problem.The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower, have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is three times as tall as Lincoln Galleria and Washington Center is 200 feet taller than Lincoln Galleria.
A. Washington Center: 600 feet Lincoln Galleria: 200 feet Jefferson Square Tower: 1000 feet B. Washington Center: 690 feet Lincoln Galleria: 230 feet Jefferson Square Tower: 880 feet C. Washington Center: 400 feet Lincoln Galleria: 200 feet Jefferson Square Tower: 1200 feet D. Washington Center: 520 feet Lincoln Galleria: 320 feet Jefferson Square Tower: 960 feet