Answer:
2 ; 10
Step-by-step explanation:
a + B = 12
a - B = 8
a = 12 - B
(12 - B) - B = 8
a = 12 - B
12 - 2B = 8
B = 2
A = 10
Answer:

Step-by-step explanation:

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The first one is the correct answer due to 4 is the initial height of the plaint and 0.75 are inches that being added every week
It’s written in slope intercept form .
12/3 = 4
4 cars per hour
4 x 5 = $20
20 x 8 = $160 for 8 hrs