Saima is training for a bike race. On Saturday she rode her bike for 172 minutes on Sunday she rode for 153 minutes. How much longer did she ride her bike for on Saturday than on Sunday?

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

We just started the introduction into circles and i have no idea how to do this.