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:
$560.00
Step-by-step explanation:
Let b represent Tony's average daily balance. The finance charge is computed from ...
... finance charge = 2.25% × b
We can fill in the given value and divide by the coefficient of b.
... $12.60 = 0.0225b
... $12.60/0.0225 = b = $560.00
Tony's average daily balance was $560.00.
Answer:

Step-by-step explanation:
we know that
The area of the figure is equal to the area of an isosceles triangle (has two equal sides) plus the area of a rectangle
step 1
Find the area of the triangle
The area of the triangle is equal to

we have

To find out the height of the triangle Apply the Pythagorean Theorem

solve for h




<em>Find the area of triangle</em>


step 2
Find the area of rectangle
The area of rectangle is equal to

we have

substitute

step 3
Find the area of the figure
Adds the areas
