The diameter of a certain star is about 6.8 * 10^6 km express this distance in standard form.
the star's diameter is about
how many km.

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

Which of the following is the shape of a cross section of the figure shown below