You have to fill in 3 for x so it woul look like 3x3-3 and that would be 6.
4 3/8 is what I believe to be the answer.<span />
Answer:
A. 3
Step-by-step explanation:

REMEMBER to MULTIPLY FIRST!!
21 / 7 = 3
B. 12/18
Upon simplifying this fraction (taking a 3 out of the numerator and denominator), you end with 4/6
Answer:
I think Its D but I dont fully know