Write down all the prime numbers between 41 and 61

Which graph represents 2x-5y< 15

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?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?