Answer:
B. 1/8
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
<u />
<u />
<u />
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>:

- Exponents:

- Multiply:

Exact From 8/9
Decimal Form 0.8
<span>https://gyazo.com/6728967865dc379cf0bf1f9ca27057ed</span>
A rational number can be expressed as the ratio of two integers.

Where a and b are integers and b is not equal to 0.
The rational number 8.8 can be expressed as two integers. Like
The arrangement of mother's eye level, ground level and playground forms a right angles triangle.
The legs of this triangle are 12.6 m (eye level to ground) and 20 m (building to playground).
Using trigonometry and assuming the depression angle is Ф;
tan Ф = 20/12.6 = 1.5873
Ф = tan ^-1(1.5873) = 57.78°
7% of 79.99 is (rounded) 5.60 so the total cost would be $85.59