Answer: 13 hours
First, subtract 10, which is the base cost, from 75. You will get 65. Next, divide 65 by 5, the charge for each bicycle, to get 13.
assuming the scale is by 1,
a) the slope is rise/run so it rises 3 units and moves 4 units right therefore the slope is 3/4
b) the y intercept is where the line crosses the y axis so by looking at the graph you can tell that the y int is 1
c) and the equation is made up of the slope and the y intercept: y= 3/4x + 1
10^12 in standard number is 1000000000000
<h3>How to convert the number?</h3>
The number is given as:

Expand the expression

Evaluate the product

Hence, 10^12 in standard number is 1000000000000
Read more about standard number at:
brainly.com/question/5756316
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Answer:
x+12=12(opposite sides of parallelogram are equal)
x=0