If 6 cats can kill 6 rats in 6 minutes, how many cats will it take to kill 100 rats in 50 minutes? previous next

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?