Answer:
4:25
Step-by-step explanation:
Given that,
r₁ = 15 inches, r₂ = 6 inches
The area of the cylinder is given by :

The ratio of surface areas of two cylinders,

Hence, the required ratio is 4:25.
Answer: 40%
Step-by-step explanation:
There are 70 cookies in total.
The gingerbread cookies number 28.
The percentage that are gingerbread will therefore be:
= Number of gingerbread/ Total number of cookies * 100%
= 28 / 70 * 100%
= 40%
Answer:
or 
Step-by-step explanation:
Multiply both sides of the equation by 

Simplify both sides of the equation.
or 
<em>hope this helps :)</em>
Answer:
It is 61 degress an acute angle.
Step-by-step explanation: