Verify the identity. = 

What will be an ideal response?


 =  =  = csc x +1 = .

Mathematics

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Find the first year's depreciation, using the double-declining-balance method. Round to the nearest dollar.Cost: $54,000Est. life: 20 yearsEst. scrap: $5,000

A. $5,400 B. $2,450 C. $4,900 D. $2,700

Mathematics

Add. Simplify, if possible.-2 + 9

A. 11 B. 7 C. -7 D. -11

Mathematics

Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?

What will be an ideal response?

Mathematics

Solve the problem.A stockbroker bought 55 shares of stock for $13.23 each. What was the total amount of the purchase?

A. $727.76 B. $727.75 C. $727.65 D. $727.55

Mathematics