C because i took the test
The answer is the option d, which is: d) 
The explanation for this problem is shown below:
1. Smplify the denominator and rewrite the numerator in this form:

2. Multiply the denominator and the numerator by the conjugated
and simplify the expression, as following:

3. As you can see, you obtain the expression shown in the option mentioned above.
Answer: 6247.5
Step-by-step explanation:
85% x 105000 = 89250
70 x 89.25 = 6247.5
Answer:
A.
Step-by-step explanation:
The given equation is

We solve for y by subtracting 3x from both sides to obtain;

We now divide through by -7 to get;

This simplifies to;

This equation is now in the form y=mx +c, where
is the slope.