The Half Dome at National Park is 8,840 feet high. Due to strong winds, James was able to scale only 70% of the total distance. How many more feet does he need to scale to complete hike?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Answer pls man im trying to get out of summer school

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.