Solve the problem.How many different sequences of 4 digits are possible if the first digit must be 3, 4, or 5 and if the sequence may not end in 000? Repetition of digits is allowed.
A. 2,997
B. 2,000
C. 1,512
D. 2,999
Answer: A
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Solve the problem.A mobile device has a screen that measures 9.2 in. across its diagonal. Convert this to centimeters.
A. 3.6 cm B. 36 cm C. 2.3 cm D. 23 cm
Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 4i, z2 = -6 + 6i
A. 24
B. 24
C. 24
D. 24
Use an equation to solve the problem.At the break-even point for a company, the income is equal to the production cost. For a VCR company, the cost of producing t VCRs is 
The income for selling t VCRs is 46t. How many VCRs must be sold to break even?
A. 800 B. 1600 C. 11.4942529 D. 5
Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 4
A. 20? B. 32? C. 40? D. 48?