Perform the operation and write the result in the standard form.(3 - 7i)(2 - 6i)
A. 42i2 - 32i + 6
B. 48 + 4i
C. -36 - 32i
D. -36 + 32i
Answer: C
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Solve the problem. If the answer is an amount of money, round to the nearest dollar.Oscar and Paula went on a 30-mile canoe trip with their class. On the first day they traveled 15 miles. What percent of the total distance did they canoe?
A. 0.5% B. 200% C. 50% D. 2%
Find the standard deviation. Round to the nearest tenth.3, 1, 42, 10, 14, 48, 28, 32
A. 22.3 B. 16.7 C. 277.7 D. 23
Evaluate the algebraic expression for the given values of the variables.5x2 + 3x for x = 4
A. 32 B. 68 C. 52 D. 92
A business purchasing an item for business purposes may use straight-line depreciation to obtain a tax deduction. The formula for the present value, P, after t years is given below, where C is the cost and s is the scrap value after L years. The number L is called the useful life of the item.
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If a certain piece of equipment costs $6,100 and has a scrap value of $2,300 after 5 years, graph the amount you will have in t years. What is the slope of the graph?
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A. 
B. 
C. 
D. 
E. 