Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Answer: D
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Write as a number.Three hundred twelve thousand, 
ninety-seven.
A. 3,206,970 B. 312,697 C. 312,697,000 D. 31,267
Find the sum of the first n terms of the arithmetic sequence. ? 4 + 7 + 10 + ... (to 20 terms) ?
A. 650 B. 680 C. 640 D. 610 E. none of the above
Find the approximate slope of the line that contains the two given points. Round your result to the second decimal place. State whether the line is increasing, decreasing, horizontal, or vertical.(-0.3, -9.5) and (-0.3, 3.2)
A. 0; vertical B. undefined slope; vertical C. 0; horizontal D. undefined slope; horizontal
Solve the problem.Instruments on a satellite measure the amount of power generated by the satellite's power supply. The time t and the power P can be modeled by the function P = 50e-t/300, where t is in days and P is in watts. How much power will be available after 378 days? Round to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).