Answer:
14%
Step-by-step explanation:
Answer:
900°
Step-by-step explanation:
The sum of interior angles of a polygon with
sides is given by:
Sum = 
Here, <u>the polygon has 7 sides</u>, so
. Plugging this into the formula gives us:
Sum = 
So the answer is the first choice, 900°.
Answer:
Step-by-step explanation 10 + 2.50d = 850
David starts with $10 and each day he earns $2.50. The d represents a variable and can be any number.
To find d you must solve the equation.
10 + 2.50d = 850
2.50d = 840 (subtract 10 from 850)
d = 336 (divide 840 by 2.50)
It will take David 336 days to save $850.