Answer:
x = 1
Step-by-step explanation:
you can tell by 7x=7
divide 7 on both sides and get 1
Answer:
A man is driving to pick his daughter from school. He waits for his daughter to be done, then he drives back home.
Answer with Step-by-step explanation:
We are given that
a.



b.Radius=2.58 cm
Substitute the values in the formula and 

Hence, the area of circle =20.9 square cm
c.Area of circle=1530 square cm

Hence, the radius of circle=22.07 cm
c.Area of circle of radius 15.2 cm=
Area of circle of radius 15.1 cm=

Hence, the area of circle whose radius is 15.2 cm is greater than the area of circle of radius 15.1 cm by 9.52 square cm .