Answer:
John: 333.3333mins
Amber: 375mins
Discount: 25%
Tax: 6.5%
Step-by-step explanation:
Percentage of discount:
x/100 = 10/39.99 (what percentage is 10 of 39.99) (%/100=is/of)
= 25%
Percentage of tax:
x/100 = 1.95/29.99
= 6.5%
y = - 7/5x + 18/5
Slope: - 7/5
y - intercept: (0, 18/5)
Hope this helps!!
The answer is 9x² - 6x - 1
∵ (6x³ + x² - 10x - 1) - (6x³ - 8x² - 4x) =
0 + 9x² - 6x - 1 = 9x² - 6x - 1
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