Answer: either B or D
Step-by-step explanation:
0.69 or 0.61
3/4+1/3= 13/12 = 1 1/12 />9/12+ 4/12
3 lbs are 2 12/12
2 12/12 -1 11/12= 1 1/12. One and one twelve
Answer:
x=2, y=1
x=-2, y = -1
Step-by-step explanation:
x - 2y = 0
x = 2y
x² - y² = 3
(2y)² - y² = 3
3y² = 3
y² = 1
y = 1 or y = - 1
x = 2 or x = -2
