I want to solve your problem but i need to know how many of each for dimes and quarter at the beggining of the question for it to be solved corrwctly
Answer:
no
Step-by-step explanation:
If these two lines are parallel, they would have the same gradient.
Since Gradient = Rise / Run,
8 / -12 : -4 / 1
These two ratios are obviously not the same, so we can conclude the lines are not parallel.
Answer:
2/3
Step-by-step explanation:
= 
= 
3 * 1/2 = 9/4x
3/2 = 9/4 x
x = 3/2 ÷ 9/4 = 3/2 * 4/9 = 12/18 = 6/9 = 2/3
2.7 grams/ cm ³ , it will float