287-178=109
109-100=..............................9!!!!
Answer:bbdhajaiuw
Step-by-step explanation:huejrjthrb
Answer:
121 cm
Step-by-step explanation:
12x13=156
7x5= - 35
________
121
Answer:
B
Step-by-step explanation:
Replacing <em>f</em>(x) with 21, this is the equation
21=3x+9
First, subtract 9 from each side of the equation to get:
12 = 3x
Next, divide each side by 3 to get:
4 = x
So the answer is B.