Viyan age is 2 / 5 of the age of her eldest brother. If his brother's age is 35 years, then how old is viyan?

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

The function below is written in vertex form or intercept form. rewrite them in standard form and show your work. y = -3(x-2)(x-4)