A motorcycle travels 15 km west in an hour. The motorcycle then travels 35 km east in another hour. If east is taken as the positive direction, what is the velocity of the motorcycle?

10 km/h
50 km/h
–10 km/h
–50 km/h

Write the fraction or mixed number and the decimal shown by the model

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample