Answer:
1.3 * 10^5
Step-by-step explanation:

Explanation

Step 1
multiplicate by the conjugate

notice that


I hope this helsp you
Answer:
5: 60
6: 30
Step-by-step explanation:
just a matter of multiplying all the possible values
5: 5 pants X 4 shirts X 3 shoes
6: 10 numbers (0-9) X 3 variations (right, left, right,)
Answer:
-7/4x-68
Step-by-step explanation:
.83
25 bus riding sophomores / 30 sophomores