You would just do 4 x 7, which means there are 28 combinations.
Answer:
first and third digit are the same.
not prime numbers,
191 yes but 484 no.
Answer:
h ≈ 39 ft
Step-by-step explanation:
When we draw out a picture, we should see that we have to use cos∅ to solve this:
cos31.66° = x/46
46cos31.66° = x
x = 39.1542
