Jay had to paint part of the outside of his house. He spent 7 hours painting one side and 12 hours painting another. How long did It take him to paint both sides?​

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

What is 140% of 25? because i need

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?