Answer:
A line that rises from left to right has a positive slope
Explanation:
Verify each statement
case A) A horizontal line has no slope
The statement is False
Because a horizontal line has a slope equal to zero
case B) A vertical line has a slope of zero
The statement is False
Because a vertical line has a undefined slope
case C) A line that rises from left to right has a positive slope
The statement is True
case D) A line that falls right to left has a negative slope
The statement is False
Because a is a positive slope