FIND THE AREA OF THE SHAPE AND THE PART THAT DOES NOT HAVE the empty part of the circle that says 6 on it

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

Which number line correctly shows 0.8 + 0.3?