Answer:
4x^2+20x+25
Step-by-step explanation:
(2x+5)^2 = (2x+5) (2x+5)
Using the foil method : 2x(2x) = 4x^2
(2x) (5) = 10x
(2x) (5) = 10x
5 (5) = 25
Combine like terms
Answer:
-9
Step-by-step explanation:
Answer:
$721.55
Step-by-step explanation:
658.95*1.095=721.55
Finding an angle of a triangle
Answer:
Most precise to least precise
- Finding the height of the sun in the sky
- Counting heartbeats
- A calendar
- A stop watch
