How many common tangents are there with two circles touching at one point?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day