Find the selling price if the list price is $400 and the trade discount is as follows. 40% 20% 25% 331⁄3% 371/2% 162⁄3% 50% 5% 121/2% 55% 60% 271/2%

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If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.