Which of the following is the solution set of 2a + 1 > 9 or a < –1?
a)
{a | a ≤ –1 or a ≥ 4}
b)
{a | –1 ≤ a ≤ 4}
c)
{a | a < –1 or a > 4}
d)
{a | a < –1 or a > 5}

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

If a is a nonzero real number then the reciprocal of a is