12. How can you tell that 32 and 95 are not prime numbers
without finding their factors?

The last digit of 32 is an even number. The only even prime number is 2.

All of the other prime numbers are multiples of 2, so 32 can't be a prime.

-- The last digit of 95 is 5. That tells us that it's a multiple of 5. The only

multiple of 5 that's a prime number is 5 itself. 95 is not 5 itself, s

.5 lb

step-by-step explanation:

12 in / 6 in =2 in

.25 x 2 = .5 lb

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft