The temperature last night was 7 degrees. By morning, the temperature dropped 10 degrees. What was the temperature in the morning?​

Which math sentence can be used to determine if the triangle is a right triangle?

Just tell me how to set up the equation.

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.