2 + 7 − 15 = 0 x x 2 If r and s are two solutions of the equation above
and r s > , which of the following is the
value of r s − ?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?