<b and the angle 79 degrees are exterior alternate angles which are equal
b = 79 degrees.
The answer 2 your question is 24in
In general if multiplying, move decimal to RIGHT by whatever the exponent is.
In this example 10^1, the exponent = 1
9.4 with decimal moved 1 place to right = 94
Answer: 19 years
Step-by-step explanation:
Given
Amount invested 
Rate of interest 
after 1-year amount becomes

After n years it is

Sum accumulated is 

4/5 of x -3/4 of x =5
solution by LCM
16x-15x/20 =5
x/20 =5
x=100
<span>answer 100</span>