Answer: -1/2
Step-by-step explanation:
flip the slope and make it negative
Answer:
a=7.85-1/2^b
Step-by-step explanation:
2a=15.7-b Move variable to the right side and change its sign
2a=15.7-b Divide both sides of the equation by 2
a=7.85-1/2^b The final solution for a is
Answer:
Circumference= 
Step-by-step explanation:
Diameter of the circle= 14 feet
Radius of the circle= 14/2= 7 feet
Circumference of the circle= 
As, 
Circumference:

The circumference of the circle with the radius= 7 feet is 
Area = (14 x 20) - ( 5 x 9)
Area = 280 - 45
Area = 235 square cm
you just have to move the decimal point 9 places to the right thats an easy trick to remember 1849900000