Find A ∩ B if A = {4, 7, 10, 13, 17} and B = {3, 5, 7, 9}. A. {3, 4, 5, 7, 9, 10, 13, 17}
B. Ø
C. {7}

Why do interests rates on loans to be lower in a weak economy than in a strong one

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.