EC = 24
This is because CBE is a right triangle with a right angle at angle ECB. Then we know that BC =7 and EB = 25. Use the Pythagorean Theorem to find EC.
The answer is A because “x” is the number of jeans purchased so it would be the price per jean times number of jeans being purchased
Answer:
A. x² - x
General Formulas and Concepts:
<u>Pre-Algebra</u>
<u>Algebra I</u>
- Terms/Coefficients/Degrees
- Expand by FOIL (First Outside Inside Last)
<u>Geometry</u>
- Area of a Rectangle: A = lw
Step-by-step explanation:
<u>Step 1: Define</u>
<em>l</em> = x
<em>w</em> = x - 1
<u>Step 2: Find </u><em><u>A</u></em>
- Substitute [AR]: A = x(x - 1)
- Distribute <em>x</em>: A = x² - x
Answer:
a = -5
Step-by-step explanation: