The original price of each candle is $10.50 because 10.50 x 2 = 21 and with the $2 off the equals $19. Hope this helps!!
D){x+8y=369{y=8x D is the answer
5+3x=23 x=6 the answer is 6
10% of 140 is 14.
to solve you first must do 10/100 = 14/x
cross multiply and you get 10x = 1400
divide 1400 by 10 and you get 140
Answer:
Step-by-step explanation:
Độ dài vecto a= căn bậc hai của (-3)*(-3)+4*4=5
