Answer:
PR = 10
Step-by-step explanation:
PR =
The coordinates for P and R are (0,4) and (-6,-4) respectively.
So you plug in the values:
PR =
PR =
PR =
PR =
PR = 10
Y=-9
Input is basically your x value so output is basically your y value
So plug in -10 for x
Y=3/2(-10)+6
Y=-15+6
Y=-9
7+3=10
60/10=6
6x7=42
6x3=18
there is 18 trucks in the parking lot
speed =distance traveled over time taveled... the ansewr will be in kilometres per hour