Answer:
equation: y = 50x + 75
The gift certificate will pay for the cost of 7 lessons and will have $40 left on it.
Step-by-step explanation:
Range: lowest number subtracted from highest number
105.40 - 27.50 = $77.90
Answer:
4.25 hours
Step-by-step explanation:
38.25/9
<span>12 is AT MOST a number n decreased by 7, thus 12≤n-7.</span>