Mario and his friends ordered 3 pizzas. each pizza was sliced into 8 pieces. they ate 21 slices. how much pizza did they eat? write your answer as a mixed number.

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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.

Is the square root of 4 plus the square root of 16 rational?