Answer:
option b
Step-by-step explanation:




x = -3 (Not possible)
x = 5
So, x = 5
Understand that a decimal is any number written in the base-10 system. In common usage, the term "decimal" refers to a number that uses a decimal point to separate the ones place from tenths, hundredths, etc. Represent decimals using area models. State the fraction (tenths or hundredths) that is equivalent to a given decimal. Compare the values of decimals (tenths or hundredths) using area models and/or a number line. For example, compare the value of 0.8 and 0.21.Find a decimal that has a value between two other decimals. For example, find a decimal with a value between 0.3 and 0.4.
Answer: 27 ft
Step-by-step explanation:
Given
the angle of elevation is 
Length of track is 
Vertical rise is given by

Actual distance is 75 miles
1 inch = 15 miles
Multiply 5x15
Gives you 75