Which equation is modeled by the graph? What is the estimated change in the number of cars in the parking garage for each minute after 8 a.m.? Graph: http://s21.postimg.org/knfr72ivr/1977.png A) y = 3x + 50; 3 cars per minute B) y = 4x + 50; 4 cars per minute C) y = 3x - 50; 3 cars per minute D) y = -3x + 50; -3 cars per minute
A
@aliqanber Keith exercises x hours a week. Troy exercises three hours less than Keith and Joe exercises two times more than Troy. Which expression represents the amount of time Joe exercises? A) 2(3x) B) 2x - 3 C) 2x + 3 D) 2(x - 3)
D
Mike is saving money earned from a job. For every $20 Mike earns, he puts $4 into savings. Mike is going to graph his savings. The x-axis will be the amount earned, and the y-axis will be the money saved. What will be the slope of Mike's graphed line? A) 5 B) 1/ 5 C) 5/1 D) -5/1
what do you think the answer is?
4/20 = 1/5
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