Answer:
A) Construct a two-sample z -interval for the difference between population proportions.
The heater uses 500 watts, which is 0.5kW, but the kWh value is 6 kWh.
Answer:
65 miles every 1 hour
Step-by-step explanation:
Unit rate is found once one of the units is 1. In this case we need to reduce the ratio so that it is 1 hour and we get a unit rate. We can do this by dividing both sided by 2 so that the hours are reduced to 1.
130=2
130/2=65 2/2=1
65=1
65 miles every hour
Answer:
x=±
Step-by-step explanation: