let's take a peek at the line and let's use two points from it, hmmmm it passes through (0, 8) and hmm (4, -4), so

Answer:
D. -5
Step-by-step explanation:

The compound fraction is easily simplified because both numerator and denominator have 5 in their denominator. Hence the ratio is the ratio of the numerators.
When an odd number of minus signs is involved in multiplication or division, the result is negative.
Answer:

Step-by-step explanation:
We begin with the expression

First, we can split this into the product of two fractions

Now, we can factor the denominator of the first fraction.

Next, we need to create a common denominator for the second fraction

Now to return this portion to the denominator of the second fraction.

Dividing by a fraction is the same as multiplying as the reciprocal of the fraction, so the second fraction becomes

Now to reduce this expression by canceling out 

Answer:
x=-1,y=0
Step-by-step explanation:
-10y+9x=-9
10y+5x=-5
14x=-14
x=-1
-10y-9=-9
y=0