In 10 years a child will be 5 years older than twice her current age. what is her current age?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?