68 is how much more money you need

**Answer:**

C

**Step-by-step explanation:**

since we're being told to convert the ratio to fraction then it is C. note that 4 ratio is also the same as dividing 4 by 6

**
Part D: **x= -b/2a

(-1/3, -4/3)

**im sorry if this is wrong ;'(**

**Answer:**

The appropriate solution is "**1.7109**". A further explanation is provided below.

**Step-by-step explanation:**

The given values are:

**Sample size,**

n = 25

**Degree of freedom,**

**At 90% confidence level,**

**and,**

Now,

**The correct values of t will be:**

=

=

=

**Answer:**

No solution.

**Step-by-step explanation:**

y + 3x - 4y = 0 + 0.75x

- 3y + 3x = 0 + 0.75x

- 3y + 3x - 0.75x = 0 + 0.75x - 0.75x

- 3y + 2.25x = 0