A person's height is positively associated with his or her arm
span (the distance between the ends of the fingertips as arms
are held out on each side of the body). One of the tallest men in
history had an arm span measuring 7 inches more than his
height. The combined total of his arm span and height was 221
inches. How tall was this man?

Acar with a mass of 600 kg is traveling at a velocity of 10m/s. how much kinetic energy does it have?

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?