Answer:
B
Step-by-step explanation:
I added all of then and then subtracted 47 from the 50.
Answer:
(-2, -18) and (2, 10)
Step-by-step explanation:
the answer is -18 and 10
Hi there! The answer is x = 1


Rule AB = 0, gives A = 0 or B = 0

Therefore, the smallest of both roots is x = 1.
Answer: (D) 
Explanation:

Just a note on writing down these expressions: I recommend using parentheses whenever you can to avoid misinterpretation. An expression 1/x-1/y / 1/x+1/y could be interpreted by someone as 1/x-(1/y / 1/x)+1/y, which is a different thing.
Answer:
0.75487
Step-by-step explanation: