An event lasts 4 hours and 20 minutes. how long did the event last in seconds?

2/3(-6y+9x) expand each expression using the distributive property

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Which graph represents the linear function below? y-3=1/2(x+2)