A family daycare center charges a one-time $ 80 enrollment fee and $ 90 per week (w) Write an equation for the total cost (t) based on the number of weeks (w) that a child is enrolled.

The maximum distance (in nautical miles) that a radio transmitter signal can be sent is represented by the expression 1.23h√, where h is the height (in feet) above the transmitter. estimate the maximum distance x (in nautical miles) between the plane that is receiving the signal and the transmitter. round your answer to the nearest tenth.