Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 35, r = 3, an = 945; Find Sn.
A. 1400
B. 945
C. 455
D. 910
Answer: A
Mathematics
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Set up an integral for the length of the curve.x = y2 + 7y, 0 ? y ? 7
A. 
B. 
C. 
D. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Mathematics
Solve. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars? Round to one decimal place.
A. 7.6 × 103 sec B. 76 sec C. 7.6 × 102 sec D. 7.6 × 102 min
Mathematics
Determine whether the indicated ordered pair lies on the graph of the given equation.y = 
- 4, (9, -1)
A. Yes B. No
Mathematics