The answer is: c you should know that it's easy
Answer:
The answer is "Option a"
Step-by-step explanation:
The Rejecting or the null hypothesis is refused by the refuting were used when the significance for our data analysis is less than the cut-off points, for example, either 0.05 or 0.01, therefore reject the null accept the alternative hypothesis, that's why in this question, the first choice is correct.
-x + 2y = 6 then x = 2y - 6
6y = x +18 then x = 6y - 18
-----------------------substract
0 = -4y + 12
4y = 12
y = 3
-x + 2y = 6
-x + 2(3) = 6
-x = 6 - 6
x = 0
answer: x = 0 (second choice)
Answer:$637.00
Step-by-step explanation:
77%=490.49
100%=?
100×490.49÷77=637
Original price =$637.00
